ARM & Hammer Ultra Last Clumping Litter – 99% Dust Free Unscented Formula for Focused Home Office Litter Areas
ARM & Hammer Ultra Last Clumping Litter – 99% Dust Free Unscented Formula for Focused Home Office Litter Areas
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Why you'll love it
- Baking soda neutralizes odor at the source instead of masking it with fragrance
- Unscented formula protects fragrance-sensitive cats and humans from artificial perfume
- 99% dust free claim reduces airborne particles that aggravate allergies and asthma
- Multi-cat clumping strength handles higher traffic and heavier use without breaking apart
- Low tracking granules keep litter off floors, stairs, and pet paws
- 18 lb pack or 2-pack bulk option lowers per-pound cost and reduces shipping frequency
Perfect for
- Daily clumping litter maintenance in multi-cat homes where one box services several cats
- Neutralizing litter box odor between scoopings when the owner is away for a day or more
- Switching from a perfumed litter to a fragrance-free option for sensitive cats or humans
- Stocking up on bulk supply to avoid frequent Amazon reorders for cat-owning households
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Product Information
LONG-LASTING ODOR CONTROL. ARM & HAMMER Ultra Last Unscented Clumping Cat Litter includes Baking Soda granules with odor eliminators provide long-lasting odor control even when you can't scoop the kitty litter box daily
ONLINE EXCLUSIVE! Fill your cat litter box with unscented, long-lasting odor control using ARM & HAMMER Ultra Last Unscented Clumping Cat Litter! This new 18 Lbs. clumping cat litter is online-exclusive, ready to ship anytime
UNSCENTED FOR A REFRESHING EXPERIENCE. This unscented cat litter provides long-lasting freshness and ultra odor control. ARM & HAMMER kitty litter is an instant odor destroyer with ARM & HAMMER Baking Soda to neutralize odors
PET-FRIENDLY WITH BAKING SODA Odor control plus Baking Soda freshness is the secret behind ARM & HAMMER Ultra Last Unscented Clumping Cat Litter Coated with ARM & HAMMER Baking Soda, this virtually dust free cat litter (99%) is tough on odors
BUY TWO TO LAST TWICE AS LONG. ARM & HAMMER Ultra Last Unscented Clumping Cat Litter, a low tracking cat litter, comes in smaller, more conveniently sized 18 Lbs. packaging so you can stock up and buy multiples
Brand: Arm & Hammer
Item Weight: 18 pounds
Material: Mineral and Plant Derivatives
Scent: Unscented
UPC: 033200975465
Item Form: Granular
Global Trade Identification Number: 00033200975465
Unit Count: 288 Ounce
Capacity: 18 pounds
Weight: 18 pounds
ARM & HAMMER Ultra Last Unscented Clumping Cat Litter is a smart choice for cat care & hygiene, powered by pure ARM & HAMMER Baking Soda which works as an odor neutralizer. This clumping litter provides odor control cat litter benefits, ensuring a clean and refreshing unscented experience with ultra long-lasting odor elimination & control. Perfect for those seeking multi cat litter solutions, it excels in clumping efficiency. Designed for dust control & low-dust performance, it offers a dust free environment, making it ideal for those prioritizing non tracking cat litter. Choose ARM & HAMMER Cat Litter for a comprehensive approach to cat care and hygiene.Item Form: Granular
Global Trade Identification Number: 00033200975465
Capacity: 18 pounds
Item Display Weight: 18 pounds
Item Type Name: Cat Litter
Included Components: Cat Litter
Target Species: Cat
Item Weight: 18 pounds
Material Type: Mineral and Plant Derivatives
Scent Name: Unscented
Frequently Asked Questions
Will this bulk 2 pack really cut down on my Amazon reorders?
Yes. The value pack of 2 gives you 36 pounds total, which for most multi-cat households lasts long enough to skip frequent reorders and free up time for work and study instead of repackaging litter runs.
Is this litter low enough maintenance that I can go a day or more without scooping?
The hard clumping formula with baking soda is designed to neutralize odor between scoopings, so most busy owners find it holds up well for a day away, though daily scooping is always recommended in multi-cat homes.
Will the low tracking formula save me time cleaning floors around my home office litter area?
Yes. The granule size and density are engineered to minimize scatter outside the box, which means less time sweeping litter off floors, stairs, and entryways during a busy work day.
Does the 99 percent dust free claim help with focus and air quality in a work from home setup?
Yes. Less airborne dust means cleaner air around your home office litter station, supporting a more comfortable focus ritual without heavy particles irritating your eyes or sinuses during long screen sessions.
Can I keep a litter box in a garage or utility room without odor distracting me between meetings?
Yes. The baking soda coated granules neutralize odor continuously, so a garage, mudroom, or utility room litter station stays neutral and does not compete with your work environment or break your concentration.
Is this a good litter for someone who is rarely home and needs reliable odor control?
Yes. The hard clumping multi-cat strength plus continuous baking soda odor neutralization makes it a strong choice for owners who travel, work long hours, or simply cannot scoop multiple times a day.
How long does an 18 lb bag typically last in a multi-cat home?
Duration depends on the number of cats and box size, but most multi-cat households find an 18 lb bag lasts roughly 3 to 5 weeks, making the 2 pack a convenient way to stock up and avoid mid-cycle reorders.
Will this litter work for a high traffic litter area shared by several cats?
Yes. The multi-cat clumping strength is specifically formulated to handle heavier use without breaking apart, so clumps stay solid for easy scooping even in shared, high traffic boxes.
Is this more cost effective per pound than the standard scented version?
The value pack of 2 lowers your per pound cost compared to buying single bags, and the 36 pound total reduces the number of shipments, packaging, and reorder interruptions for busy cat owning households.
Is a fragrance free formula a smarter choice for a focus friendly home office?
Yes. Unscented litter avoids perfume buildup that can become distracting or headache inducing in a small enclosed home office, while baking soda handles odor in the background so you can stay focused.
How does this compare to lightweight litter that promises easier carrying?
Lightweight litters can be easier to lift but often trade off clumping strength and dust control. This formula prioritizes hard clumping, low dust, and baking soda odor control, with the value pack 2 bag option giving you manageable 18 lb units.
What if my cat kicks a lot of litter out of the box during the day while I work?
The low tracking granule design helps reduce scatter outside the box, and pairing the box with a simple mat will catch the small amount that does escape, keeping your workspace tidy with minimal interruption.
I do not have time to deal with constant dust clouds. Will this actually pour clean?
Yes. The 99 percent dust free claim means the litter pours with noticeably less airborne dust than standard clay, which is one of the most common complaints from busy owners who refill boxes quickly between tasks.
How do I set up and start using this clumping cat litter?
Pour 3 to 4 inches of ARM & Hammer Ultra Last Unscented into a clean litter box, place it in a low traffic area, and let your cats adjust. Scoop clumps daily, top off as needed, and fully change the litter every 2 to 3 weeks for a multi-cat household.
How often should I scoop and fully change the litter?
Scoop solid clumps at least once per day in a multi-cat home, and plan a full litter change and box wash roughly every 2 to 3 weeks depending on the number of cats and box usage.
Can I mix this litter with another brand I already have?
You can top off a box with this litter, but for best clumping and odor performance we recommend a clean transition by emptying the box, washing it, and starting fresh with the new formula.
Is this litter compatible with sifting, covered, and self cleaning litter boxes?
Yes. The hard clumping granule form works with standard sifting boxes, covered boxes, and most self cleaning rakes. For mechanical boxes, the solid clump size makes it easier for sensors and rakes to cycle waste without breaking apart.
Will this litter work for kittens as well as adult cats?
It is generally safe for kittens over 8 weeks old who are reliably using the litter box. For very young kittens, monitor use to confirm they are not ingesting litter and consult your veterinarian if you have concerns.
What is included in the box when I order this product?
Your order includes either one 18 pound bag of ARM & Hammer Ultra Last Unscented Multi-Cat clumping litter or a value pack of 2 bags totaling 36 pounds, sealed and ready to pour. No scooper or box is included.
Is clumping clay litter safe for cats and humans in the home?
Yes. Clumping clay litter has been used safely in cat households for decades. The unscented, 99 percent dust free, baking soda based formula is designed to minimize airborne particles and avoid added perfumes, which is helpful for sensitive cats and people.
Will this litter trigger allergies or asthma more than other options?
It is designed to be gentler than standard clay litters thanks to the 99 percent dust free claim and fragrance free formula, but no litter is completely allergen free. Pour slowly, keep the box ventilated, and consult your doctor if you have severe respiratory concerns.
What is the difference between clumping clay litter and natural or plant based litter?
Clumping clay forms solid, scoopable clumps for easy daily maintenance and tends to track less, while natural or plant based litters may be biodegradable but often produce more dust, scatter more, and do not always clump as firmly for multi-cat use.
