Hometec Lift n' Sift Cat Litter Box Easy Cleaning Tray System Economical Lift N' Sift litter tray system cleans litter in seconds Solid, no-leak construction 4-Piece system includes 2 each of solid base trays, 1 each of grid sifter tray and a snap on litter guard Works with traditional clay, clumping and silica gel litters Measures 20-inch length by 5-inch height by 14-inch width