HEGA-HM400-B Austin Air This is the main replacement filter for the Austin Air Allergy Machine.
The Allergy HEGA Filter also comes with a new Permafilt Pre-Filter included. You should only need to replace this filter once every five years; it comes with a pro-rated warranty.
The Austin Air Allergy HEGA Filter is a three-part filter that captures the full spectrum of airborne contaminants, from pollen to bacteria. The Allergy HEGA filter is perfect for high-particulate areas: the unique HEGA (High Efficiency Gas Adsorption) filtration includes 60 feet of true medical HEPA filter before a military-grade carbon cloth filter.