Cat Van Ness | Van Ness Replacement Air Filter For All Enclosed Cat Pans

The Van Ness Replacement Air Filter Is For Use With Van Ness Enclosed Cat Pans, This Zeolite Air Filter Helps Remove Offensive Odors Often Associated With Cat Litter Pans From The Air. Zeolite Is A Natural Mineral That Is Able To Absorb Ammonia Odors. For Best Results, Replace Your Enclosed Pan’S Filter/S At Least Every 3 Months.