The Cat Love Space Saver Corner Hooded Cat pan provides privacy while retaining the litter inside the pan. The large hood lifts up for easy access for cleaning, while the built-in bag anchor helps keep the bag open and frees hand for scooping. The Cat Love Space Saver Corner Hooded Cat pan will also fit conveniently and discretely into virtually any corner in your home. The carbon impregnated filter effectively traps and removes litter box odors. Replacement carbon filters sold separately.