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Austin Air · air purifier

Austin Air HealthMate replacement filter

Use part FR400B. Built to last 5 years under normal residential use.

The filter that fits

Maker lists this model

Austin Air HealthMate Filter

HealthMate Filter

Part number
FR400B
How many
1 per unit
How often
Built to last 5 years under normal residential use

Order the color that matches your unit: white (FR400B) for White and Sandstone units, black (FR400A) for Black and Midnight Blue units.

Buy HealthMate Filter on AmazonManufacturer page

Opens an Amazon search for Austin Air HealthMate Filter FR400B. Check the listing says FR400B.

See the sources

Does your exact model share this filter?

Austin Air labels several versions of the HealthMate. Check the label on your unit.

  • HealthMate takes FR400B
  • HM400 same filter · Unit label code; Austin Air says standard units begin with HM4

Look-alike models that take a different filter

The HealthMate Junior (HM200 labels) and the personal "it" units take smaller filters of their own; standard-size filters do not fit them.

Sources

High confidence: the manufacturer names this exact model on a live page. Each line is the page we read and the day we read it.

  • Which filter fits austinairsystems.com Maker's own page checked Oct 1, 2026
    Fits These Austin Air Purifier Models: All Standard-Size Austin Air units, including: Austin Air Pet Machine, Austin Air HealthMate, Austin Air HealthMate Plus, Austin Air Bedroom Machine, Austin Air Allergy Machine ... White filter is designed for White and Sandstone units. Black filter is designed for Black and Midnight Blue units
  • How many austinairsystems.com Maker's own page checked Oct 1, 2026
    every Austin Air purifier comes with a filter already installed and ready to use
  • How often austinairsystems.com Maker's own page checked Oct 1, 2026
    the HealthMate Replacement Filter is built to last 5 years under normal residential use
  • Model variants austinairsystems.com Maker's own page checked Oct 1, 2026
    Check the label on your Austin Air unit — standard units begin with HM4 (like HM400), junior units start with HM2 (like HM200)
  • What's in it austinairsystems.com Maker's own page checked Oct 1, 2026
    STAGE 1 – Large Particle Pre-filter ... STAGE 2 – Medium Particle Pre-filter ... STAGE 3 – Over 780 cubic inches of Activated Carbon and Mineral-Based Filtration ... STAGE 4 – 60 sq. ft. of True Medical Grade HEPA
Show all 6 sources

Which filter fits

  1. austinairsystems.com Maker's own page checked Oct 1, 2026
    Fits These Austin Air Purifier Models: All Standard-Size Austin Air units, including: Austin Air Pet Machine, Austin Air HealthMate, Austin Air HealthMate Plus, Austin Air Bedroom Machine, Austin Air Allergy Machine ... White filter is designed for White and Sandstone units. Black filter is designed for Black and Midnight Blue units
  2. austinairsystems.com Maker's own page checked Oct 1, 2026
    HealthMate Filter variants: White FR400B; Black FR400A (Shopify product data for this one product)

How many

  1. austinairsystems.com Maker's own page checked Oct 1, 2026
    every Austin Air purifier comes with a filter already installed and ready to use

How often

  1. austinairsystems.com Maker's own page checked Oct 1, 2026
    the HealthMate Replacement Filter is built to last 5 years under normal residential use

Model variants

  1. austinairsystems.com Maker's own page checked Oct 1, 2026
    Check the label on your Austin Air unit — standard units begin with HM4 (like HM400), junior units start with HM2 (like HM200)

What's in it

  1. austinairsystems.com Maker's own page checked Oct 1, 2026
    STAGE 1 – Large Particle Pre-filter ... STAGE 2 – Medium Particle Pre-filter ... STAGE 3 – Over 780 cubic inches of Activated Carbon and Mineral-Based Filtration ... STAGE 4 – 60 sq. ft. of True Medical Grade HEPA