Moderna Replacement Filter Sheet for Litter Boxes Size:One Size This quality constructed double ply

This quality constructed double ply nylon halter features fun and colorful printed overlay on nose

Frontal reinforcement cage for extra impact resistance without impeding ventilation

It has slits at the sides that close with press buttons

Allow to air dry

Moderna Replacement Filter Sheet for Litter Boxes Size:One Size This quality constructed double plyModerna Universal Size Replacement Filter Sheet for Cat Litter Boxes How much fun is it trying to figure out if you have the right size replacement filter to fit the specific hole in your cat's litterbox? Not much. Take the hassle out of buying incorrect sizes. You can cut this charcoal filter sheet to any size you need: round, square, or rectangle. You'll always have the perfect size replacement filters on hand. Item Specifications: Size: 6. 3" x 6.