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A box of Fresh Step Heavy Duty Advanced cat litter and a new box of the same litter showing how the litter packaging has changedA box of Fresh Step Heavy Duty Advanced cat litter and a new box of the same litter showing how the litter packaging has changed
A carton of Fresh Step Heavy Duty advanced on a gray backgroundA carton of Fresh Step Heavy Duty advanced on a gray background
2 cats with their arms raised, the words "Even your cat's impressed" to describe the 30 days guarantee and 3x odor-eliminating carbon2 cats with their arms raised, the words "Even your cat's impressed" to describe the 30 days guarantee and 3x odor-eliminating carbon
Clumps stronger than corn-based litter. Two scoopers showing the compact scooping of Fresh Step vs the leading competitorClumps stronger than corn-based litter. Two scoopers showing the compact scooping of Fresh Step vs the leading competitor
A cat scratching at cat litter and the words "Paw-activated odor control"A cat scratching at cat litter and the words "Paw-activated odor control"
A comparison chart of Fresh Step litters, the odor-fighting guarantees and special featuresA comparison chart of Fresh Step litters, the odor-fighting guarantees and special features
A woman playing with her cat. A pink panel on the right side with claims: 3x odor-eliminating carbon, fights ammonia odors, low dustA woman playing with her cat. A pink panel on the right side with claims: 3x odor-eliminating carbon, fights ammonia odors, low dust
A close up of the bits that make up Fresh Step cat litter: ammonia blockers, naturally strong clay, odor-eliminating carbonA close up of the bits that make up Fresh Step cat litter: ammonia blockers, naturally strong clay, odor-eliminating carbon
Two cats looking at their owner as litter is poured into a litter box. Instructions for how to use in 3 steps below.Two cats looking at their owner as litter is poured into a litter box. Instructions for how to use in 3 steps below.
A woman snuggling her cat. The review above says "It has been a nose saver! I no long have to clean the litter box 2–3 times a day."A woman snuggling her cat. The review above says "It has been a nose saver! I no long have to clean the litter box 2–3 times a day."
A box of Fresh Step Heavy Duty Advanced cat litter and a new box of the same litter showing how the litter packaging has changedA box of Fresh Step Heavy Duty Advanced cat litter and a new box of the same litter showing how the litter packaging has changed
A carton of Fresh Step Heavy Duty advanced on a gray backgroundA carton of Fresh Step Heavy Duty advanced on a gray background
2 cats with their arms raised, the words "Even your cat's impressed" to describe the 30 days guarantee and 3x odor-eliminating carbon2 cats with their arms raised, the words "Even your cat's impressed" to describe the 30 days guarantee and 3x odor-eliminating carbon
Clumps stronger than corn-based litter. Two scoopers showing the compact scooping of Fresh Step vs the leading competitorClumps stronger than corn-based litter. Two scoopers showing the compact scooping of Fresh Step vs the leading competitor
A cat scratching at cat litter and the words "Paw-activated odor control"A cat scratching at cat litter and the words "Paw-activated odor control"
A comparison chart of Fresh Step litters, the odor-fighting guarantees and special featuresA comparison chart of Fresh Step litters, the odor-fighting guarantees and special features
A woman playing with her cat. A pink panel on the right side with claims: 3x odor-eliminating carbon, fights ammonia odors, low dustA woman playing with her cat. A pink panel on the right side with claims: 3x odor-eliminating carbon, fights ammonia odors, low dust
A close up of the bits that make up Fresh Step cat litter: ammonia blockers, naturally strong clay, odor-eliminating carbonA close up of the bits that make up Fresh Step cat litter: ammonia blockers, naturally strong clay, odor-eliminating carbon
Two cats looking at their owner as litter is poured into a litter box. Instructions for how to use in 3 steps below.Two cats looking at their owner as litter is poured into a litter box. Instructions for how to use in 3 steps below.
A woman snuggling her cat. The review above says "It has been a nose saver! I no long have to clean the litter box 2–3 times a day."A woman snuggling her cat. The review above says "It has been a nose saver! I no long have to clean the litter box 2–3 times a day."
FRESH STEP™

Heavy Duty Odor Block Advanced Scented Cat Litter

Advanced formulation with more Ammonia Block Technology* for powerful odor control.

Meet your heavyweight odor-fighting champion. Fresh Step Heavy Duty Odor Block Advanced Scented Cat Litter offers 3x odor-fighting carbon with Ammonia Block Technology,* which fights odor 3x as long† as the leading clumping litter brand. It’s the longest-lasting odor control from Fresh Step,‡ and the only litter brand backed by the power of Febreze. This proprietary litter blend is an Advanced formulation with more Ammonia Block Technology* for powerful odor control that lasts 30 days. Made with natural clay enhanced with odor-fighting power, this low-dust formula helps ensure clean surfaces and a pleasant experience for both you and your cat. This clay litter forms strong clumps for easy cleanouts. Strong enough for multi-cat households, one box of this clay clumping cat litter lasts about one month per cat based on average purchase cycles.

Available Sizes: 2 pack of 17.5 Lbs

* vs. Fresh Step Heavy Duty Odor Block.
** vs. Fresh Step Odor Shield.
† On fecal malodor.
‡ Among Fresh Step clumping litters.
§ Original receipt/UPC required, submit refund request within 60 days of purchase. Full terms and instructions: Fresh Step website/FAQs.

Highlights

3X Odor Eliminating Carbon

3X Odor-Eliminating Carbon*

30 day odor control guaranteed

30-Day Odor Control Guaranteed§

Fights ammonia odors before they start

Fights Ammonia Odors Before They Start

Cat's paw with flowers representing cat-approved fragrance

Cat-Approved Fragrance

Heavy Duty Litter

Get 3x odor-fighting carbon with Ammonia Block Technology* in this heavy duty cat litter, which fights odor 3x longer† than the leading clumping litter brand.

High-Quality Clumping

This clumping cat litter is made with high-quality clay for strong clumps and easy cleanup, all in a low-dust formula that makes for a pleasant experience for you and your cat.

Advanced Formulation

This proprietary litter blend features an Advanced formulation with more Ammonia Block Technology* for powerful odor control.

Paw-Activated Freshness

Smart, science-backed innovations like paw-activated freshness deliver a proactive, superior litter experience that works the moment your cat steps in.

Multi-Cat Formula

Strong enough even for multi-cat households, this Fresh Step Heavy Duty Odor Block Advanced Scented Cat Litter delivers 30 days of odor control.

Cat watching its person fill a box with litter

1 Fill

Fill your clean litter box with 3–4 inches of Fresh Step litter. Pour litter no more than a few inches from the box OR keep the carton close to the box when pouring litter.

A woman removing clumps of litter from a litter box while two cats look on

2 Remove

Litter quickly forms a clump around liquid waste. Remove clumps and solids daily, and dispose of in trash. Do not flush.

A cat paw scratching litter

3 Add

Add more Fresh Step clumping cat litter to refresh your litter box. Maintain level of litter at 3–4 inches.

Tough on odors. Easy on you.

Even your cat’s impressed: Fresh Step litter brings you the latest in odor control technology.

Compare your odor fighter 🐈

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A box of Fresh Step Advanced Heavy Duty cat litter

Fresh Step™

Heavy Duty Odor Block Advanced

main feature

3X Odor-Eliminating Carbon*

odor control

30-Day Odor Control Guaranteed§

third feature

Fights Ammonia Odors Before They Start

A box of Fresh Step Ever Fresh cat litter

Fresh Step™

Ever Fresh

main feature

Ultra-Absorbent Microgranules Help Reduce Changeouts

odor control

21-Day Odor Control Guaranteed‡

third feature

Tight, Surface-Level Clumps

Fresh Step Clean Paws cat litter for multipile cats

Fresh Step™

Clean Paws

main feature

Less Mess with Low Dust and Low Tracking

odor control

21-Day Odor Control Guaranteed‡

third feature

Larger Particles Designed to Stick Less to Cat Paws and Stay in the Box*

Fresh Step Extreme Clump cat litter

Fresh Step™

Extreme Clump

main feature

Tight Clumps

odor control

15-Day Odor Control Guaranteed†

third feature

Low-Dust Formula

A box of Fresh Step Simply Unscented cat litte

Fresh Step™

Simply Unscented

main feature

Prevents Bacterial Odor Growth on the Litter

odor control

15-Day Odor Control Guaranteed†

third feature

Low-Dust Formula

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