Austin Air Austin Air FR405B Allergy Machine Standard Replacement Filter, White

Replacement filter for the Austin Air Allergy Machine. The Austin Air Allergy Machine was developed specifically for people with asthma and allergies. Its unique design increases air flow, filtering allergens from the air immediately. In clinical trials the Austin Air Allergy Machine was shown to dramatically reduce hospital visits for young asthmatic children. All standard size units are interchangeable with all standard size filters.