Each IQAir GCX model contains four reusable filter cartridges with up to 25 lbs. of gas phase media. A wide range of differently formulated cartridges are available to maximize the filtration efficiency for different types of gaseous contaminants. Since IQAir gas filter cartridges are reusable, replacing them is not only economical, but also environmentally friendly. The IQAir 460 IA/4 is for use with the IQAir Chemisorber GCX units. These cartridges carry a life of 2-3 years. Product Features Set of 4 Gas Cartridges Granular Chemisorbant Gas Phase Media For use with IQAir Chemisorber GCX Air Cleaners Lasts 2-3 Years
