This is the replacement HEPA filter for the Austin Air Allergy Machine. The Austin Air Allergy Machine offers maximum protection for those with Asthma and mold sensitivities. You can check the size of your existing filter by looking for a label on the underside of your unit. Model HM400 indicates standard size filter. It also comes with prefilter & carbon cloth for HEGA air purifier.
Due to Covid-19 we are no longer able to accept returned replacement filters. When ordering your replacement filter, please ensure you have selected the correct size and type, before confirming your order
How to Change the Filter
Austin Air Warranty
- 5 Year Mechanical Warranty
- 5 Year Pro-Rated Filter Warranty
In stock items: Products typically ship within 2-3 business days from when you place your order (Please allow 5-7 business days for some MRCOOL products to ship). Due to COVID-19 please allow 7 - 10 days for your order to arrive once you have received shipping confirmation.
Pre-order/Out of stock items: Contact us for estimated shipping timeline. We are experiencing inventory and re-stocking delays due to port congestion. We appreciate your patience and understanding.
High order volume due to COVID-19 may occasionally slow delivery for some items and you may experience extended wait times contacting our Customer Service team.
For the fastest service and online support, please email us at firstname.lastname@example.org for information regarding your order.
Read the rest of our shipping policy here.