Our Purrified Air replacement filter cartridges come in a sealed bag for long-term storage.
Filter media cartridge contains 2.2 pounds (one kilogram / 35.2 ounces) of a proprietary blend of activated carbon, zeolite, catechin, and negative ion ceramic balls, plus a filter pad to capture kicked up litter dust and pet dander.
Along with your filter media cartridge(s) we will be sending you a complimentary pair of our new thumbscrews with a Phillips screwdriver indent. Many find this option easier.
