nordyne hepa filter cartridge MERVP1025108_thickness_1 The Lennox humidifier pad is

The Lennox humidifier pad is made of expanded aluminum

Mechanical media - does not rely on a static charge to achieve efficiency rating

Constructed with hydrophobic polyolefin fibers which do not absorb moisture

54"WG at 100 FPM

Third stage VOC canister upgrade available

nordyne hepa filter cartridge MERVP1025108_thickness_1 The Lennox humidifier pad isMain HEPA filter cylinder for HEPA air cleaner. The life of this filter depends on the amount of contaminants in the air and the frequency in which the prefilter has been changed. To improve airflow, the HEPA filter can be vacuumed between changes, preferably outdoors. Lifespan: 3 years