Ammonia Block technology from Fresh Step stops odors from one of the primary odor offenders in your litter box: cat urine. Working in two ways, this technology controls bacterial growth, while also deactivating the enzyme that forms ammonia. What does it all mean for you? A litter that keeps ammonia odors away from your litter box and home.

• Locks in liquid and odor on contact. Clumps tight with Fresh Step ClumpLock technology for easy cleanup.
• Our lowest dust formula.
• Created with your cat's health and happiness in mind.

(from Fresh Step)