The Catit Jumbo 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 hands for scooping. The carbon-impregnated filter effectively traps and removes litter box odors. The door opening measures 10. 4 inches by 9. 6 inches. The Catit Jumbo Hooded Cat Pan is ideal for multi-cat households. Replacement carbon filters sold separately.