Antimicrobial treated; dry tactified polyester media. It’s  Aegis microbe shield not only eliminates the filter as a potential breeding ground for micro-organisms, it also controls airborne germs. replace every 30 days . Arrestance : 87% @ .50" w.g. Airflow: .09" w.g. @ 300 fpm
Includes (3) pads, a 1/2  year Supply

Aegis Antimicrobial treated; dry tactified polyester media. features a special dual density design to allow for a extended 60 day filter life and a 60% increase In efficiency over regular BioSponge. Arrestance : 93% @ .50" w.g. Airflow: .19" w.g. @ 300 fpm
Includes (3) pads, a 1/2  year Supply

This extended surface filter media is produced from a high quality blend of natural and man-made fibers. Pure Pleat 40 offers an excellent combination of high efficiency and low resistance to air flow. Replace every 90 days. Arrestance : 95% @ .50" w.g. Airflow: .18" w.g. @ 300 fpm
Includes (2) pads, a 1/2  year Supply

This extended surface filter media is produced from a high quality blend of natural and man-made fibers like the Pure Pleat 40 with the addition of antimicrobial protection. Replace every 90 days. Arrestance : 95% @ .50" w.g. Airflow: .18" w.g. @ 300 fpm
Includes (2) pads, a 1/2  year Supply

It’s special blend of polymers create a high stable active charge on every fiber. Microsponge has the highest efficiency and the lowest pressure drop of any charged media in the world. Replace every 90 days. Arrestance : 97% @ .50" w.g. Airflow: .17" w.g. @ 300 fpm
Includes (2) pads, a 1/2  year Supply