A box of Fresh Step Advanced Gain cat litter and a new carton of the same litter showing how the litter packaging has changedA box of Fresh Step Advanced Gain cat litter and a new carton of the same litter showing how the litter packaging has changed
A box of Fresh Step cat litter with Gain scentA box of Fresh Step cat litter with Gain scent
A woman playing with her cat in a a living room. The words "Even your cat's impressed" regarding the Gain Original scent.A woman playing with her cat in a a living room. The words "Even your cat's impressed" regarding the Gain Original scent.
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: powerful odor control, strong clumps, Gain scent, low dustA woman playing with her cat. A pink panel on the right side with claims: powerful odor control, strong clumps, Gain scent, 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 Advanced Gain cat litter and a new carton of the same litter showing how the litter packaging has changedA box of Fresh Step Advanced Gain cat litter and a new carton of the same litter showing how the litter packaging has changed
A box of Fresh Step cat litter with Gain scentA box of Fresh Step cat litter with Gain scent
A woman playing with her cat in a a living room. The words "Even your cat's impressed" regarding the Gain Original scent.A woman playing with her cat in a a living room. The words "Even your cat's impressed" regarding the Gain Original scent.
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: powerful odor control, strong clumps, Gain scent, low dustA woman playing with her cat. A pink panel on the right side with claims: powerful odor control, strong clumps, Gain scent, 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™

Odor Shield Advanced Cat Litter with Gain Original Scent

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

Don’t just mask odors — anticipate them with Fresh Step Odor Shield Advanced Multi Cat Clumping Litter, made of natural clay enhanced with carbon, Ammonia Block Technology and Febreze freshness with Gain Original scent designed to transport you to your happy place. This proprietary litter blend is an Advanced formulation with more Ammonia Block Technology* for powerful odor control that lasts 15 days. This low-dust formula ensures clean surfaces and a pleasant experience for both you and your cat. Compatible with most automated litter boxes,† 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 18.5 Lbs

* vs. Fresh Step Odor Shield
† To confirm compatibility, please contact your automated litter box manufacturer before use.
‡ Original receipt/UPC required, submit refund request within 60 days of purchase. Full terms and instructions: Fresh Step website/FAQs.

Product Details

A molecule representing odor-eliminating carbon

Odor-Eliminating Carbon

15 Day Odor Control Guaranteed

15-Day Odor Control Guaranteed

An illustration representing low-dust formula

Low-Dust Formula

a flower representing scent

Scented

Paw-Activated Freshness

Enjoy your fave scent in cat litter form with a paw activated burst of Gain freshness, that original fragrance designed to transport you to your happy place.

Odor Shield Cat Litter

Don’t just mask odors, anticipate them with Fresh Step Odor Shield Advanced Cat Litter with Gain Original Scent and Febreze Freshness.

15 Days of Odor Control

Strong enough even for multi-cat households, this Fresh Step Odor Shield cat litter delivers 15 days of odor control.

Advanced Formulation

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

Low-Dust Formula

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

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 🐈

A carton of Fresh Step Odor Shield Advanced with Gain  scent

Fresh Step

Odor Shield with Gain Advanced

main feature

Odor-Eliminating Carbon

odor control

15-Day Odor Control Guaranteed

third feature

Low-Dust Formula

Fresh Step Heavy Duty cat litter

Fresh Step

Heavy Duty Odor Block

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 Unscented Cat Litter

Fresh Step

Ever Fresh Unscented

main feature

Ultra-Absorbent Microgranules Help Reduce Changeouts

odor control

15-day Odor Control Guaranteed

third feature

Tight, Surface-Level Clumps

A box of Fresh Step cat litter Simply Unscented

Fresh Step

Simply Unscented Advanced

main feature

Prevents Bacterial Odor Growth on the Litter

odor control

15-Day Odor Control Guaranteed

third feature

Low-Dust Formula

#IsItCrazyorIsItLove

Product FAQs

Fresh Step™ Odor Shield with Gain ADVANCED combines Ammonia Block Technology and odor-eliminating carbon for next-level odor control. Plus, it’s infused with Gain Original Scent and Febreze freshness, so your home smells clean and inviting every time your cat uses the box. Designed for multi-cat households, it delivers tight clumps and easy scooping for stress-free maintenance.

Enjoy up to 15 days of guaranteed odor control, even in busy multi-cat homes. This advanced formula works around the clock to neutralize tough odors, so you can spend less time worrying about smells and more time enjoying your cats.

Ammonia Block Technology neutralizes strong ammonia odors before they start, helping your litter box stay fresher longer. It’s a science-backed innovation that works every time your cat steps in, creating a cleaner, more pleasant home environment.

Absolutely! Our ClumpLock™ technology quickly absorbs moisture and locks in odors, forming tight clumps that are easy to scoop. No sticky residue or crumbling clumps—just quick cleanup and less mess.

Yes! This litter is specially formulated for multi-cat households, delivering powerful odor control and superior absorbency to handle even the busiest litter boxes.

The ADVANCED formula features more Ammonia Block Technology* and odor-eliminating carbon than before. The result? Longer-lasting freshness, tighter clumps, and better overall performance compared to older formulas.

* vs. Fresh Step Odor Shield

Yes! Its superior absorbency means you’ll need to change the litter box less often, making life easier for busy cat parents while keeping your home fresh.

Yes. Fresh Step™ Odor Shield with Gain ADVANCED works with most automated litter boxes. To confirm compatibility please contact your automated litter box manufacturer before use.

Yes, it features Gain Original Scent with Febreze freshness—a light, clean fragrance that’s pleasant but never overpowering. The scent is designed to keep your home smelling fresh while keeping your kitty comfortable.

Definitely! The low-dust formula helps keep surfaces cleaner and reduces airborne particles, making it a better experience for both you and your cat.

Every time your cat steps into the box, paw-activated technology releases a burst of odor-fighting power. It’s a smart way to keep things fresh with every use — no extra effort required.

Yes! The packaging is designed for easy pouring, storing and handling, so even busy cat parents can keep litter changes simple and stress-free.

As with all cat litters, wash your hands thoroughly after handling used litter. Cat feces can transmit toxoplasmosis, so extra care is recommended for pregnant women and immunosuppressed persons.

Fresh Step™ Odor Shield with Gain ADVANCED is the latest evolution of the Odor Shield with Gain line, featuring enhanced technology and improved performance. If you’re switching from a previous version, you’ll notice better odor control and longer-lasting freshness.

For cat parents who want a little extra help fighting litter box odors, choose Odor Shield with Gain ADVANCED for superior odor control, easy maintenance, and a cleaner, happier home. It’s trusted by cat lovers and designed to keep both you and your kitty smiling.