The Petmate Arm and Hammer sifting litter box provides an easy and efficient way to clean litter. The sifting system includes holes that allow clean litter to sift through easily without shaking or scooping. The three-pan system consists of two regular pans and one sifting pan to separate the soiled litter easily for quick cleaning. The soiled litter is collected all at once, saving time and keeping the litter fresher for longer. The easy sifting litter box includes antimicrobial protection that prevents odor and extends the life of litter. The durable, reinforced bottom of the large cat litter box holds up to the weight of heavy litter as it is lifted and lasts longer. The Arm and Hammer cat litter pan keep cleaning and sifting easy while maintaining the freshness of litter for less litter replacement.Treated with MICROBAN for built in antimicrobial product protection