Refills: this product contains four waste receptacle and four Charcoal refills for the Nature's Miracle self-cleaning litter boxes
Odor control Charcoal filters: naturally absorbs and neutralizes odors and helps to prevent odors from escaping the catch-all receptacle
Odor control waste receptacles: traps and seals odors every time your cat uses its Nature's Miracle self-cleaning litter box
Convenient: designed for your convenience, the waste receptacles are easy to remove and dispose, while the Charcoal filters have easy peel and stick packing
