8 Pack Cat Litter Box Charcoal Filters for Van Ness Cat Litter Box, 4.4 x 6.5Inch Replacement Carbon Odor Filters for Pureness F6 Zeloite Air Filter, Black KXK (1) Free radicals can cause

(1) Free radicals can cause oxidative stress which may lead to premature aging of the cells

reference size chart

Not for aggressive chewers since we choose the safest material

Durable & Non-Toxic Materials: Made from high-quality ABS+TPU

8 Pack Cat Litter Box Charcoal Filters for Van Ness Cat Litter Box, 4.4 x 6.5Inch Replacement Carbon Odor Filters for Pureness F6 Zeloite Air Filter, Black KXK (1) Free radicals can causeFeatures: LITTER BOX FILTERSCharcoal litter box filters for hooded litter boxes: 6. 49*4. 4inch, only suitable for Pureness F6 Zeolite Air Filter HIGHLY ABSORBENTThese cat carbon filter for van ness litter box filters (fibrous) are made of high quality powdered activated carbon as the adsorption material, and the high density polymer binding material is used to attach the carbon to the fiber ABSORB ODORSActivated litter box charcoal filter for zeolite