Description This is a set of 4 pieces of cat litter box filters. Its diameter is 6.25 inches and thickness is 10mm, can be trimmed to your desired sizes, fit well for dome cat litter box and most other cat litter box with different shapes, help eliminate odors from the litter box. Features - Color: Black. - Material: Activated carbon. - Size: 6.25 inches in diameter; 10mm in thickness. - Made of premium activated carbon, with strong adsorbing ability, can absorb and filter odors for a quiet long time, disposable supplies, do not recommend rinsing before use. - Its diameter is 6.25 inches and thickness is 10mm, can be trimmed to your desired sizes, fit well for dome cat litter box and most other cat litter box with different shapes, help eliminate odors from the litter box. - A good solution to solve the litter box unpleasant smells problem, do the good to remove odors, maintain fresh and clean smells, keep your pets with good health and mood, make you live a happy life with your pets.Packing list: 1 x set of 4pcs Round Shape Carbon Filters Cat Litter Boxes Filters Litter Pans Replacement Filters for Cat Litter Boxes Odor Control