Arm & Hammer

ARM Hammer Ultra Last Clumping Cat Litter Unscented MultiCat 18 Lbs Pet Friendly with Baking Soda Odor Control

1321+ bought in the past month

$15.99

About this item

  • 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
$15.99

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Product details

BrandArm & Hammer
Item Weight18 Pounds
MaterialMineral and Plant Derivatives
ScentUnscented
UPC033200975465
Global Trade Identification Number00033200975465
Unit Count288 Ounce
Capacity18 Pounds
ManufacturerChurch & Dwight - Pet

Technical specifications

item_weight18 Pounds
manufacturerChurch & Dwight - Pet
item_model_number033200975465
date_first_availableSeptember 1, 2021
item_package_dimensions_l_x_w_x_h12.09 x 11.54 x 4.41 inches
brand_nameArm & Hammer
target_audience_keywordhouse-cats
directions1) Start with a clean, empty litter box. 2) Fill with 3-4 inches of ARM HAMMER FOREVER FRESH Kitty Litter. 3) Scoop regularly and add litter to maintain 3-4 inch fill. 4) When it's time to change the litter, ARM HAMMER FOREVER FRESH Kitty Litter pours right out.
model_nameUltra Last
size18 lbs (Pack of 1)
materialMineral and Plant Derivatives
age_range_descriptionAll Life Stages
care_instructionsStore in a cool dry place with the top closed
included_componentsCat Litter
specific_uses_for_productUrinary
package_dimensions12.09 x 11.54 x 4.41 inches; 18 Pounds
best_sellers_rank#513 in Pet Supplies ( See Top 100 in Pet Supplies ) #38 in Cat Litter

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Customer reviews

4.36,532 ratings

Customers say

Customers find the cat litter works well, with good clumping ability and low dust levels.

★★★★★

Good quality litter at a competitive price

24karatsDecember 27, 2025

I use Arm & Hammer cat litter exclusively, but I do experiment with different formulations. I like the Unscented Multicat - even though I only have one cat - because it does a great job of reducing odor and dust. It clumps well and keeps the mess confined, meaning fewer little box changes. My cat seems to like it - I suspect that's because he doesn't have to deal with strong perfumes - and I find the 18 lb. boxes very convenient. I use two boxes at a time, and I find it much easier to manage two mid-size boxes than one very large and heavy box. That's just a matter of personal choice, but I think a lot of older cat owners might benefit from this. Arm & Hammer is not the cheapest brand on the market, but it's priced well for premium litter, and in my opinion - and that of my cat - it's worth a little extra for the superior quality. Read more

★★★★★

Lasts a long time and you can't smell the litterbox.

Crizma2UDecember 18, 2025

Best cat litter. Keeps the smell locked in. I have two cats and you would not ever know it because this cat litter works! Dust free and it lasts longer than most brands. Read more

★★★★☆

Powerful Odor Control That Clumps Like a Pro

Kellie K. WhiteJuly 8, 2025

This litter delivers on its promise—great odor control and tight clumps that make scooping easy. It keeps smells locked in for days, even in a multi-cat home. Pros: • Excellent odor control • Strong, dry clumping • Low dust Cons: • Tracks a little outside the box • Scented version can be strong • Heavy to carry and pour Bottom line: Reliable, effective, and worth the price. If you want a clean-smelling home and hassle-free clean-up, this is a solid choice Read more

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★★★★★

Best value, only one that gets rid of smell consistently.

JoeyDecember 9, 2025

We tried Dr so-and-so and the slide and glide and super scooper kitty litters with all the extreme claims. The Dr stuff does not cover smell-the people lie. We have one small cat. This stuff actually gets rid of smell and it doesn’t even need perfume. Clumps the same as the others. A little dusty. Read more

★★★★★

Good cat litter

BBanJuly 5, 2025

Very good cat litter. The fragrance has bothered me so I have to get the unscented. Read more

★★★☆☆

Stop with the fragrance!

DanielleDecember 11, 2024

This is good enough, but only when I open the box and there’s no fragrance. It’s supposed to be unscented but sometimes there’s a light but obvious perfumey or floral scent that activates my allergies. I wake up in the middle of the night because I can’t breathe after my cat uses the box. I’m always disappointed when I open the box and it stinks, but I have to use it because I need litter by the time it comes on Subscribe & Save, and it’s too heavy to return. When it comes actually unscented, it works well enough. I use it in my litter robot, and I have to extend cycling to at least 15 min after my cat uses it because it doesn’t clump right away. It will clump, but you have to give it some time, and even at 15 min, sometimes it will break apart in 2-3 pieces. But there’s absolutely no dust, which I’m super happy about (and so is my litter robot), and none of my cats sneeze or have any adverse reactions to it. I did have to slowly introduce my cats to it after switching from Tidy Cats Free & Clean (too much dust and broke my previous litter robot) as they didn’t take to it right away. As far as tracking, there’s some, as with all litter, but it seems to be contained to the litter area. It’s less tracking than my former litter option, and that’s a plus. Read more

★★★★★

The only cat litter I use now

NancyDecember 1, 2025

I have tried many different cat litter but this is the one. The clumping, dust level and ease of scooping makes it a winner in my book. At least when my cat leaves the litter box there is not a trail of litter behind her. It is a great value ad well. Read more

★★★★★

Great Product

CoastalCatNovember 22, 2025

We had used another litter brand for years and found that the quality had seemed to decline. So, we've been sampling A&H litter. This is the best version of this brand I have tried. Low or no dust, and there is no litter box odor. Very happy with this litter. Read more

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