Austin Air Allergy Machine Filter - Pre-filter Standards HEGA Allergy Machine Filter and Pre-Filter Set

Austin Air Allergy Machine Filter - Pre-filter Standards -4-Stage Filter -Large Particle Pre-filter -Medium Particle Pre-filter -Activated Military Carbon Cloth -60 ft. of True Medical Grade HEPA -Foam sealing gaskets top and bottom -Filter Life: 5-years under normal residential use The Allergy Machine Filter provides a comprehensive air cleaning solution, removing allergens, asthma irritants, sub-micron particles, chemicals and noxious gases that you want to avoid. Every minute, The Allergy Machine? draws over 250 cubic feet of air through a 4-stage HEGA filter containing Activated Military Carbon Cloth and over 60 square feet of True Medical Grade HEPA.