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Austin Bedroom Machine HM402 Replacement Filter

Choose this filter for ultra-fine filtration of gases and airborne particles, especially if you have extreme chemical sensitivity or Multiple Chemical Sensitivity (MCS).

This is Austin Air’s most advanced filter, endorsed by the National Sleep Foundation and designed to meet requirements established by the John Hopkins Medical School for studies on bedroom air quality.

A PermaFilt pre-filter comes with the Bedroom Machine replacement filter.

Choose White for white or sandstone machines.
Choose Black for black or midnight blue machines.
  • The HM402 replacement filter is for people with extreme chemical sensitivities, and for situations requiring ultra-fine filtration of odours, gases, chemicals and particulate, including bacteria and viruses. It incorporates five progressive stages of filtration including carbon/zeolite, HEGA (military gas arresting carbon cloth) and HEPA (medical grade particle arresting material).

    5-Year Pro-Rated Filter Warranty
    The Austin Air warranty applies to normal residential use. The only upkeep required is to vacuum the prefilter from outside the machine at least once per month. Otherwise, it is advised to replace the prefilter (only) annually.

    Cleans up to Up to 1500 sq ft (139 sq metres), based on 8ft (2.4 m) ceilings.

    28 lbs (12.7 kg)

    Fits in all standard-sized Austin Air machine housings.

  • Diagram showing How to Change Your Austin Air Filter

  • Shipping
    Free shipping applies to most parts of Canada (exceptions apply to some remote locations) for the initial purchase of an Austin Air Purifier or Austin Air replacement filter.
    Free shipping does not apply to the purchase of PermaFilt prefilters that do not accompany a larger order that qualifies for free shipping.
    Shipping is via the most economical expedited carrier, typically Canada Post for Metro Vancouver destinations.
    Austin Air products are shipped from Ontario.

    Time Until Delivery
    Customers in the lower mainland of British Columbia can expect delivery approximately one week after the purchase payment transaction with watermatters™ is completed.

    Alternative Delivery Arrangements (for residents of Metro Vancouver only)
    If you don’t think you will be home to receive your delivery, you can have it shipped to watermatters™ store and we will receive it for you. You can then pick up your Austin Air product from our store at your convenience. [We are open Mon – Sat, 10 – 6. Closed Sundays and stat holidays.]