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Fresh Step

Fresh Step Advanced Odor Shield Lightweight Litter 18.5 lb 2 Pack

  • Capacity: 37 pounds
  • Item Display Weight: 37 pounds
  • Item Weight: 37 pounds
  • Material Type: Clay

Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A standard clumping clay litter for households wanting odor control and scent in a multi-cat sized quantity, with the dust trade-off common to clay litters.

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ASIN: B07ZK3FP27Category: Cat Litter

Overview

Fresh Step's Advanced Odor Shield clumping litter in the Multi Cat scent, sold as two 18.5 lb cartons totaling 37 lbs. It's a clay-based, lightweight clumping formula built around what Fresh Step calls Ammonia Block Technology, with Febreze freshness layered in.

This listing is the Multi Cat scent version; a companion listing in the same lineup swaps in a Gain Original scent instead, with the same clumping clay formula in the same 37 lb two-carton size. The lightweight branding refers to Fresh Step's reduced-density clay, meant to cut down on total bag weight without changing litter box coverage.

  • 37 lbs total across two 18.5 lb cartons
  • Ammonia Block Technology for odor control
  • Febreze freshness layered into the Multi Cat scent
  • Lightweight clumping clay formula

Who it's for

Multi-cat households wanting a scented clumping clay litter in bulk, delivered as two cartons rather than one large bag.

Pros and cons

Pros
  • Two cartons are easier to carry than one bag
  • Ammonia Block Technology targets a common multi-cat odor problem
  • Lightweight clay formula reduces the total carried weight
  • Clumps for standard scoop cleaning
Cons
  • Scented, not suited to fragrance-sensitive households
  • Clay litter tracks and produces dust

Performance notes

The clumping clay forms solid clumps for scooping, and the Ammonia Block Technology targets ammonia odor specifically, which tends to build up fastest in multi-cat litter boxes. Febreze freshness is layered on top as an added scent component.

Specifications

BrandFresh Step
Dimensions & fit
Item Display Weight37 poundshigher than 89% of 128 cat litter
Item Weight37 poundshigher than 90% of 125 cat litter
Capacity & performance
Capacity37 poundshigher than 93% of 116 cat litter
Construction & materials
Material TypeClay
Included components
Unit Count37 pounds
Included Components2 18.5 Lb Cartons
Other details
Item FormGranule
Scent NameMulti Cat
Target SpeciesCat
Pet TypeCat
AsinB07ZK3FP27
ManufacturerFresh Step
Best Sellers Rank#7 In Pet Supplies (See Top 100 In Pet Supplies) #2 In Cat Litter
Manufacturer Part Number32400
Item Type NameAdvanced
Model NumberTU_32075
Customer Reviews{'ratings_count': '141,203', 'stars': '4.6'}

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Frequently asked questions

How much litter comes in this listing?

Two 18.5 lb cartons, 37 lbs total.

Is this litter scented?

Yes, it carries Fresh Step's Multi Cat scent with Febreze freshness added.

What does Ammonia Block Technology do?

It's Fresh Step's odor control system aimed at ammonia buildup, common in multi-cat litter boxes.