When it comes to managing cat litter odor, selecting the right product can make a significant difference in your home’s freshness. The best odor-control litters effectively neutralize smells without sacrificing clumping power or ease of cleaning. Rocco & Roxie Litter Box Odor Eliminator stands out as the overall best, thanks to its powerful odor neutralization. Meanwhile, Arm & Hammer Cloud Control Platinum offers excellent multi-cat performance, and Fresh Step Odor Shield balances odor control with affordability. Each option comes with tradeoffs—such as dust levels or price—so continue reading for the full breakdown to find your perfect match.
Get pool and patio gear delivered free with Prime
- Fast, free delivery on millions of items
- Prime Video, Amazon Music and more included
- Member-only deals all year
Complete the kit
Key Takeaways
- Clumping ability and odor neutralization are the two main priorities in choosing an effective odor control litter.
- Multi-cat households require stronger formulas that handle higher waste volume without overwhelming odor.
- Some products emphasize scent masking, while others focus on odor absorption; knowing your preference helps narrow choices.
- Cost per use varies widely, making value a crucial factor for long-term users.
- Additional features like low dust or antibacterial properties often influence suitability for sensitive cats or allergy-prone owners.
| Rocco & Roxie Litter Box Odor Eliminator, 12 oz | ![]() | Best Overall Odor Neutralizer for Versatility and Natural Ingredients | Size: 12 oz | Made in: USA | Type: Litter box deodorizer | VIEW ON AMAZON | See Our Full Breakdown |
| Arm & Hammer Cat Litter Deodorizing Crystals, Lavender and Vanilla, 15 Oz | ![]() | Best for Maintaining Freshness Between Litter Changes | Weight: 15 Oz | Scent: Lavender and Vanilla | Application: Sprinkle over litter | VIEW ON AMAZON | See Our Full Breakdown |
| ARM & HAMMER Cloud Control Platinum Multi-Cat Clumping Cat Litter, 18 lbs | ![]() | Best for Multi-Cat Homes Requiring Strong Odor Control and Low Dust | Brand: Arm & Hammer | Item Form: Pellet | Capacity: 18 lbs | VIEW ON AMAZON | See Our Full Breakdown |
| Fresh Step Odor Shield Multi Cat Clumping Cat Litter, 14 lb. | ![]() | Best for Long-Lasting Odor Control in Multi-Cat Homes | Weight: 14 lbs | Odor Control Duration: 15 days | Formula: Extra Strength with Febreze | VIEW ON AMAZON | See Our Full Breakdown |
| Cat’s Pride Bacterial Odor Control Max Power Clumping Litter 15lb | ![]() | Best for Bacterial Odor Prevention and Lightweight Handling | Weight: 15 lbs | Odor Control Duration: Up to 10 days | Dust-Free: Yes | VIEW ON AMAZON | See Our Full Breakdown |
| Cat’s Pride Antibacterial Scented Cat Litter, 12 lb | ![]() | Best Overall Odor Control with Antibacterial Action | Brand: Cat’s Pride | Item Form: granular | Capacity: 12 pounds | VIEW ON AMAZON | See Our Full Breakdown |
| Nature’s Miracle Cat Litter Box Odor Deodorizer Powder, 20 oz | ![]() | Best for Tough Odors and Multi-Cat Use | Item Form: Powder | Scent: Unscented | Specific Uses For Product: Indoor | VIEW ON AMAZON | See Our Full Breakdown |
| Fresh Step Advanced Heavy Duty Multi Cat Clumping Cat Litter, 17.5 lb | ![]() | Best Heavy-Duty Odor Control for Long-Lasting Freshness | Weight: 17.5 lbs | Odor Control: 30 days | Clumping Technology: ClumpLock | VIEW ON AMAZON | See Our Full Breakdown |
| Fresh Step Advanced Odor Shield Light Weight Clumping Cat Litter, 11.5 lb., 2 Pack | ![]() | Best Lightweight Multi-Cat Odor Control | Weight: 11.5 lbs. | Pack Size: 2 Pack | Features: Lightweight, Clumping, Odor Control, Febreze | VIEW ON AMAZON | See Our Full Breakdown |
| Fresh Step Extreme Clump Multi-Cat Clumping Cat Litter, 14 lb | ![]() | Best for Short-Term, Heavy Odor Control | Weight: 14 lbs | Scent: Mountain Spring with Febreze | Odor Control Duration: 15 days | VIEW ON AMAZON | See Our Full Breakdown |
| Arm & Hammer Forever Fresh Clumping Cat Litter Lavender, 18lb | ![]() | Best Overall for Odor Control and Freshness | Weight: 18 lbs | Scent: Lavender | Dust-Free: 99.9% | VIEW ON AMAZON | See Our Full Breakdown |
More Details on Our Top Picks
Rocco & Roxie Litter Box Odor Eliminator, 12 oz
This odor eliminator stands out for its effective neutralization of even the strongest litter box smells, thanks to natural essential oils. Compared with the Fresh Step Odor Shield, which primarily relies on chemical fragrances, this product offers a more eco-friendly approach that can appeal to pet owners seeking non-toxic solutions. Its ability to extend litter life means less frequent scooping, a clear benefit for busy households. However, its 12 oz size may require more frequent reapplications, especially with multiple cats. It’s ideal for those who prioritize natural ingredients and a versatile product that can be used on various surfaces, though those with large or heavily used litter boxes might find its size limiting.
Pros:- Effectively neutralizes strong odors with natural essential oils
- Extends litter life reducing the frequency of scooping
- Made from non-toxic, environmentally friendly ingredients
Cons:- Limited to 12 oz size, requiring frequent reapplication
- May need multiple applications for very strong odors
Best for: Pet owners looking for a natural, multipurpose odor neutralizer that can be used on multiple surfaces and is safe for pets.
Not ideal for: Households with multiple litter boxes or heavy odor issues, since the small size may require frequent reapplications.
- Size:12 oz
- Made in:USA
- Type:Litter box deodorizer
- Ingredients:Essential oils, corncob granules
Our verdict“This pick is best suited for owners seeking a natural, versatile odor control product for moderate litter box smells.”
Arm & Hammer Cat Litter Deodorizing Crystals, Lavender and Vanilla, 15 Oz
These deodorizing crystals excel at supporting odor control between litter changes with a simple sprinkle over the litter surface. Unlike the Fresh Step Odor Shield, which offers a more comprehensive clumping solution, these crystals focus on ongoing scent support through gradual dissolution. The appealing lavender and vanilla scent can create a calming environment, but it may not suit all cats or owners sensitive to fragrances. The main tradeoff is that frequent reapplication might be needed in homes with heavy odor loads, as the crystals only support ongoing freshness rather than eliminate odors entirely. This product makes the most sense for owners who want an easy-to-use, scent-enhancing boost between full litter replacements.
Pros:- Supports odor control effectively with baking soda and scents
- Simple to sprinkle over litter without mixing
- Dissolves gradually, reducing cleanup effort
Cons:- Requires frequent reapplication for strong odors
- Scent may not be preferred by all cats or owners
Best for: Pet owners who want a quick, scent-boosting solution to maintain freshness between litter changes.
Not ideal for: Homes with very strong or persistent odors, since the crystals support rather than replace regular odor control methods.
- Weight:15 Oz
- Scent:Lavender and Vanilla
- Application:Sprinkle over litter
- Use:Supports odor control between litter changes
Our verdict“Ideal for owners seeking an easy, scent-enhancing product to keep litter box areas smelling fresh between full cleanings.”
ARM & HAMMER Cloud Control Platinum Multi-Cat Clumping Cat Litter, 18 lbs
This multi-cat formula offers robust odor control with a hypoallergenic, dust-free composition, making it a top choice for households with several cats. Compared to the Fresh Step Odor Shield, which emphasizes scent and quick absorption, the Cloud Control excels in minimizing dust and tracking, crucial for allergy-sensitive homes. Its strong, easy-to-scoop clumps help maintain a clean environment, but it comes at a higher price point. Some users might prefer unscented options, as the light scent may not fully satisfy those needing absolute odor concealment. Overall, this litter’s blend of low dust and effective odor control makes it ideal for busy homes with multiple cats and allergy concerns.
Pros:- 99.9% dust-free and low tracking
- Effective odor control with added baking soda
- Ideal for allergy-sensitive homes
Cons:- Higher cost compared to standard litters
- Some may prefer unscented options
Best for: Multi-cat households needing effective odor control combined with low dust and hypoallergenic qualities.
Not ideal for: Single-cat homes or owners seeking unscented, budget-friendly options, as it is more costly and has a scent that not everyone prefers.
- Brand:Arm & Hammer
- Item Form:Pellet
- Capacity:18 lbs
- Unit Count:1
- UPC:033200975441
- Global Trade ID:00033200975441
Our verdict“This litter works best for households with multiple cats and allergy sensitivities, where dust and odor are primary concerns.”
Fresh Step Odor Shield Multi Cat Clumping Cat Litter, 14 lb.
This 14-pound box offers up to 15 days of odor control, making it a reliable choice for busy households with multiple cats. Its ClumpLock technology creates tight, easy-to-scoop clumps, which helps maintain cleanliness and reduce odor buildup. Compared with the Cat’s Pride Max Power, which emphasizes bacterial odor prevention, Fresh Step combines effective odor control with a fresh Febreze scent that can enhance home freshness. The low dust formula minimizes mess, but some owners may dislike artificial scents or find the scent overpowering. The main tradeoff is the higher cost relative to basic litters, but for those needing long-lasting freshness, it remains a practical pick.
Pros:- Provides up to 15 days of odor control for multiple cats
- Forms tight, easy-to-scoop clumps
- Low dust for cleaner surfaces
Cons:- Contains artificial scent that some cats may dislike
- More expensive than basic options
Best for: Multi-cat households seeking long-lasting odor control combined with a pleasant scent and easy cleanup.
Not ideal for: Owners seeking fragrance-free or budget-friendly options, as the scent and higher price may be drawbacks.
- Weight:14 lbs
- Odor Control Duration:15 days
- Formula:Extra Strength with Febreze
- Clumping Technology:ClumpLock
- Dust Level:Low dust
Our verdict“This litter suits busy multi-cat homes that want reliable, long-lasting odor control with a fresh scent.”
Cat’s Pride Bacterial Odor Control Max Power Clumping Litter 15lb
This scented litter combines a dual-clay blend with bacteria-fighting properties to keep odors at bay for up to 10 days. Compared with the Fresh Step Odor Shield, which emphasizes scent and clumping, this product emphasizes bacterial odor prevention, which can be more effective in environments with persistent smells. Its lightweight construction makes handling easier, and the dust-free claim helps reduce tracking and mess. However, the scent might be overpowering for sensitive cats or owners, and despite being labeled dust-free, some users report minor dust issues. This litter makes sense for owners who prioritize bacterial control and ease of handling, though it may be less suitable for those wanting unscented or more natural options.
Pros:- Effective odor control for up to 10 days
- Lightweight and easy to carry
- Dust-free formulation reduces tracking
Cons:- Scent may be too strong for some cats or owners
- Color variability in clay may occur
Best for: Owners seeking a lightweight, bacteria-focused odor control solution with easy scooping and strong clumping.
Not ideal for: Those preferring unscented or scent-free litters, or households sensitive to artificial fragrances.
- Weight:15 lbs
- Odor Control Duration:Up to 10 days
- Dust-Free:Yes
- Scented:Yes
- Clumping:Yes
- Lightweight:Yes
Our verdict“Ideal for those who need bacteria-focused odor control combined with lightweight handling, especially in multi-cat environments.”
Cat’s Pride Antibacterial Scented Cat Litter, 12 lb
This lightweight, antibacterial litter stands out for effectively eliminating 99.9% of odor-causing bacteria, making it a strong choice for maintaining a fresh-smelling home. Its ability to form strong, easy-to-scoop clumps surpasses many basic options like Arm & Hammer Cloud Control, which focus more on absorption than bacteria reduction. While the scent helps mask odors, it may not appeal to all cats or owners who prefer unscented products. The lightweight design makes handling simpler, but some users might find the scent or clay variability less desirable. Compared to heavier, unscented options, this product offers enhanced sanitation benefits at the expense of potential scent sensitivity. It’s best suited for multi-cat households or owners prioritizing bacterial odor control and easy cleanup, but those sensitive to fragrances might want to skip it.
Pros:- Eliminates 99.9% of odor-causing bacteria
- Forms strong, easy-to-scoop clumps
- Lightweight and easy to carry
Cons:- Scented litter may not appeal to all cats or owners
- Clay may have color variability
Best for: Owners seeking a lightweight, antibacterial litter that keeps bacteria at bay and simplifies cleanup.
Not ideal for: Owners of scent-sensitive cats or those preferring unscented, natural litters.
- Brand:Cat’s Pride
- Item Form:granular
- Capacity:12 pounds
- Package Size:12lb
- Manufacturer:Oil-Dri
- Pet Type:Cat
- Warranty:30-Day Guarantee
Our verdict“This product is ideal for multi-cat households that need powerful bacterial odor control paired with easy handling.”
Nature’s Miracle Cat Litter Box Odor Deodorizer Powder, 20 oz
Compared with traditional clumping litters, this powder excels at neutralizing persistent odors, especially in multi-cat homes where odors can be more challenging. Its effectiveness in eliminating strong urine and feces smells makes it a good complementary product alongside clumping litters like Fresh Step Extreme. However, it doesn’t contain scent masking agents, which might be a drawback for owners who prefer a fresher smell. The powder’s compatibility with both automatic and manual boxes adds versatility, but frequent reapplication may be necessary in households with several cats. Its recycled material content boosts eco-friendliness, but some users may find the unscented nature less appealing. This deodorizer works best as an odor ‘boost’ for ongoing freshness, especially when used with a reliable clumping litter.
Pros:- Effective at neutralizing tough odors
- Suitable for all litter types and boxes
- Made with recycled materials
Cons:- No scent options available
- May require frequent reapplication
Best for: Owners with multiple cats seeking an effective odor-neutralizing powder to supplement their litter box routine.
Not ideal for: Owners who prefer scented products or minimal reapplication, especially in small or low-traffic litter boxes.
- Item Form:Powder
- Scent:Unscented
- Specific Uses For Product:Indoor
- Materials & Care:Recycled Material
Our verdict“This deodorizer is perfect for multi-cat households needing extra odor control without added scent masking.”
Fresh Step Advanced Heavy Duty Multi Cat Clumping Cat Litter, 17.5 lb
This heavy-duty clumping litter offers up to 30 days of odor control, making it a standout for owners who need long-lasting freshness. Its odor-eliminating carbon and Febreze freshness technology outperform lighter or basic litters like Arm & Hammer Cloud Control, which may need more frequent changes. The tight, easy-to-scoop clumps simplify cleanup, but the added fragrances and carbon can be problematic for scent-sensitive cats. Its weight, at 17.5 pounds, makes it less ideal for those with limited storage space or mobility issues. While its odor control is impressive, the artificial scent may not suit everyone, and the higher price reflects its heavy-duty performance. This product appeals most to multi-cat homes demanding extended odor control and straightforward maintenance, but owners of scent-sensitive cats should consider unscented alternatives.
Pros:- Effective odor control for up to 30 days
- Forms tight, easy-to-scoop clumps
- Low-dust formula
Cons:- More expensive than basic litters
- Contains artificial fragrances
Best for: Multi-cat households needing extended, reliable odor control with minimal litter changes.
Not ideal for: Owners of scent-sensitive cats or those seeking a lightweight, unscented option.
- Weight:17.5 lbs
- Odor Control:30 days
- Clumping Technology:ClumpLock
- Dust Level:Low dust
- Features:Febreze freshness, odor-eliminating carbon
Our verdict“This heavy-duty litter is suited for owners prioritizing long-lasting odor control over scent sensitivity concerns.”
Fresh Step Advanced Odor Shield Light Weight Clumping Cat Litter, 11.5 lb., 2 Pack
This 2-pack of lightweight litter combines effective odor control with ease of handling, making it ideal for owners with multiple cats or those who prefer less bulky products. Its activated carbon and Febreze freshness outperform standard lightweight litters, providing tight clumps for straightforward cleaning. While the scent and fragrance components enhance freshness, some owners of scent-sensitive cats might find the scent overpowering. The lightweight design makes lifting and pouring easier, but it may not be suitable for cats with sensitivities or owners who prefer unscented options. Compared to heavier, more odor-absorbing formulas, this offers a great balance of convenience and odor control, especially for busy households or those with multiple litter boxes.
Pros:- Lightweight and easy to lift
- Effective odor control with Febreze and activated carbon
- Forms tight, easy-to-scoop clumps
Cons:- May be too scented for sensitive cats
- Some users prefer unscented options
Best for: Owners needing a lightweight, multi-cat friendly litter with reliable odor control and easy handling.
Not ideal for: Owners with scent-sensitive cats or those who prefer unscented or natural litters.
- Weight:11.5 lbs.
- Pack Size:2 Pack
- Features:Lightweight, Clumping, Odor Control, Febreze
Our verdict“This lightweight multi-cat litter offers a convenient, effective solution for busy households seeking odor control without heavy lifting.”
Fresh Step Extreme Clump Multi-Cat Clumping Cat Litter, 14 lb
This 14-pound box provides up to 15 days of odor control with a Mountain Spring scent and Febreze technology, making it suitable for owners who want quick, effective odor elimination. Its ability to absorb liquids rapidly and form tight, easy-to-scoop clumps matches the performance of more expensive heavy-duty litters like Fresh Step Advanced, but with a shorter odor control duration. The scent adds a fresh mountain aroma, which may be too strong for scent-sensitive cats or owners. Its low-dust formula helps keep the environment cleaner but might not last as long as longer-lasting options. This product makes sense for households that need reliable odor control for a couple of weeks, but those seeking a longer-term solution or unscented litter might want to consider alternatives.
Pros:- Effective 15-day odor control
- Forms tight, easy-to-scoop clumps
- Low-dust formula
Cons:- Scent might be too strong for some
- Less long-lasting than other heavy-duty options
Best for: Owners needing effective odor control for up to two weeks, especially during transitional periods or high-traffic times.
Not ideal for: Scent-sensitive cats or owners seeking extended, scent-free odor control solutions.
- Weight:14 lbs
- Scent:Mountain Spring with Febreze
- Odor Control Duration:15 days
- Clumping:Yes
- Dust Level:Low
Our verdict“This litter offers a solid short-term odor control solution with appealing scent technology, ideal for interim needs.”
Arm & Hammer Forever Fresh Clumping Cat Litter Lavender, 18lb
This lavender-scented clumping litter combines effective odor neutralization with a refreshing aroma, making it a standout choice among scented options. It outperforms many traditional odor control litters by incorporating baking soda and essential oils, which help maintain long-lasting freshness. Compared to products like Fresh Step Odor Shield, this litter excels in delivering a consistently pleasant scent while reducing dust and tracking. However, the lavender scent may not appeal to every cat owner and its online-only availability could be limiting. Its dust-free formula minimizes mess, but the scent’s strength could be overwhelming for sensitive users.
Tradeoffs include a scent that, while effective, might not suit everyone’s preferences, and limited retail access which could be inconvenient.
Pros:- Effective odor neutralization with baking soda and essential oils
- Dust-free formulation reduces mess and tracking
- Pleasant lavender scent enhances the litter box environment
Cons:- Scent may not appeal to all users or cats
- Limited availability to online purchase only
Best for: Owners seeking a long-lasting, scented litter that effectively controls odors and minimizes tracking, especially those who prefer lavender fragrances.
Not ideal for: Pet owners sensitive to artificial scents or those who prefer unscented or natural options, as the lavender aroma might be too strong or off-putting.
- Weight:18 lbs
- Scent:Lavender
- Dust-Free:99.9%
- Odor Control:Long-lasting
Our verdict“This pick is best for owners who want a scented, long-lasting odor control solution with minimal tracking, willing to accept scent preferences and online purchasing limitations.”

How We Picked
The products in this roundup were evaluated based on their ability to control odors effectively, ease of use, clumping strength, and overall value. We also considered factors like dust production, scent options, and suitability for multi-cat households. Products that deliver consistent odor neutralization without excessive maintenance or mess scored higher, as these traits directly impact everyday usability. The ranking reflects a balance of performance, price, and features that cater to different types of cat owners, from budget-conscious to premium buyers.Factors to Consider When Choosing Cat Litters Odor Control
Choosing the right cat litter for odor control involves balancing several key factors. While some owners prioritize maximum odor absorption, others may prefer lightweight options or formulas with antibacterial properties. Understanding these factors helps prevent common mistakes like overpaying for features you don’t need or selecting a product incompatible with your cat’s sensitivities. Here are the main considerations to keep in mind:Odor Control Effectiveness
The primary reason for selecting a specific litter is its ability to neutralize or absorb odors. Look for products with odor-locking crystals or activated charcoal, which are proven to trap smells effectively. Keep in mind that a product’s scent-masking ability is different from actual odor absorption, so reviews often mention whether the smell is simply masked or truly neutralized. For multi-cat households or larger spaces, stronger formulations may be necessary to prevent odor buildup.
Clumping Power
Good clumping ensures easy scooping and helps contain odors by removing waste promptly. However, some clumping litters produce more dust, which can aggravate allergies. Consider the balance between firm clumps that don’t break apart and low dust formulas if you or your cats have respiratory sensitivities. Clumping also impacts how much litter you need to change regularly, affecting overall cost and convenience.
Dust and Allergens
Dust production can be a hidden drawback with some odor-control litters, especially those with clay-based formulas. Excessive dust can trigger allergies or respiratory issues in cats and humans. Low-dust options often contain fewer fillers or use alternative materials like silica gel or biodegradable ingredients. If your cat has allergies or you want cleaner air in your home, prioritizing dust-reducing formulas is wise.
Price and Value
High-performance odor control often comes at a higher price, but not always. Evaluate how long a bag lasts relative to its cost, considering factors like the amount of litter needed per scoop and frequency of changes. Cheaper litters might save money upfront but may require more frequent replacements or less effective odor control, leading to higher long-term costs. Finding a balance between price and performance ensures you get good value without sacrificing odor management.
Additional Features
Some odor-control litters include features like antibacterial agents, scented versus unscented options, or lightweight formulations. These features can influence user experience, especially in sensitive households. For example, scented litters might mask odors appealingly but can also bother sensitive noses or cats. Meanwhile, antibacterial additives can help control bacteria that cause odors but may not be necessary for every home. Consider your specific needs and sensitivities when choosing these extra features.
Frequently Asked Questions
Can I switch between different odor-control litters without upsetting my cat?
Yes, most cats adapt well to switching between different brands or types of odor-control litters, especially if the transition is gradual. Mixing a small amount of the new litter with the old can help your cat adjust without stress. It’s best to observe your cat’s behavior and ensure the new litter’s scent and texture are acceptable to prevent accidents or reluctance to use the box. Over time, increasing the proportion of the new litter will help make a smooth transition.
Are scented litters better for odor control than unscented options?
Scented litters can temporarily mask odors, making your litter box smell fresher. However, they do not neutralize smells as effectively as odor-absorbing ingredients like activated charcoal. For sensitive cats or owners with allergies, scented options might cause discomfort or respiratory irritation. Unscented, odor-absorbing litters often provide a more natural and longer-lasting odor control solution, especially in multi-cat households.
How often should I change my litter to maintain odor control?
The frequency of changing your litter depends on the type of litter and the number of cats using the box. Typically, scooping daily and complete changes every 1-2 weeks help maintain freshness. Regular scooping is essential for odor control because it removes waste before smells develop. Using a high-quality odor-control litter can extend the time between full changes, but consistent maintenance remains key to preventing odors.
Is silica gel litter a good odor control option?
Silica gel litter is highly effective at odor absorption because of its porous structure, which traps moisture and smells. It tends to produce less dust and last longer between changes, making it a popular choice for odor-sensitive owners. However, some cats may dislike the texture or find it less natural compared to clay-based litters. It’s also generally more expensive, but many find the convenience and odor control worth the higher cost.
What should I do if my litter box still smells after changing the litter?
If your litter box retains odors despite regular cleaning, consider increasing the frequency of scooping, switching to a more potent odor-absorbing formula, or adding an odor-neutralizing additive. Ensuring proper ventilation in the area also helps dissipate smells. Sometimes, a deeper clean of the litter box itself, including scrubbing with mild soap, is necessary to remove bacteria that contribute to persistent odors. Addressing these factors usually results in a fresher environment.
Conclusion
For buyers seeking the best overall odor control, Rocco & Roxie Litter Box Odor Eliminator offers powerful neutralization suitable for most households. Those with multiple cats or large spaces should consider Arm & Hammer Cloud Control Platinum for its superior multi-cat performance. Budget-conscious owners will find value in Fresh Step Odor Shield, which balances effectiveness with affordability. Beginners or owners with sensitive noses might prefer unscented, low-dust options like Nature’s Miracle. Ultimately, selecting the right product depends on your specific needs—whether maximum odor elimination, ease of use, or budget considerations—so weigh these factors carefully to keep your home fresh and your cats happy.














