Replacement filter for the Austin Air Allergy Machine® with Pre-Filter. 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.
When ordering your replacement filter, please ensure you have selected the correct size and type, before confirming your order as there may be a restocking fee for returning filters that are ordered incorrectly.
Filter Specifications
You can check the size of your existing filter by looking for a label on the underside. Model HM400 indicates standard size filter.