• Diagram of 8-phase filtration system for the Austin Air Immunity Machine, an 8-stage air purifier filter.
  • Diagram of the 8-phase filter inside an 'Immunity Machine Filter' with labeled components.
  • Austin Air Systems immunity machine replacement filter with product description.
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Austin Air

Immunity Machine Filter - Standard Size

Immunity Machine Filter - Standard Size

$695.00 USD
$695.00 USD
Sale Sold out
Shipping calculated at checkout.
  • Free Shipping
  • Authorized Dealer
Prefilter Color: White

Maintain the Austin Air Immunity Machine at peak performance or upgrade your current machine with this standard size replacement filter. Designed for up to 5 years of use, it removes dust, allergens, mold, bacteria, viruses, and ultrafine particles. The advanced 8-stage HEPA and HEGA filtration provides maximum protection for immune-compromised individuals or those seeking the cleanest indoor air possible.

Each filter includes a pre-filter (black or white). Replacing the pre-filter helps prolong main filter life.

Compatible with all standard size Austin Air units (HM400 series). Easy installation and reliable, long-term air purification.

Features

  • Standard size filter for Immunity Machine (HM400 series)
  • 8-stage filtration removes dust, allergens, viruses, bacteria, and ultrafine particles
  • Includes pre-filter (black or white)
  • Lasts up to 5 years
  • Easy installation and long-lasting performance
  • Made and shipped from the USA
  • Free shipping

Fits Models

Standard size Austin Air Purifiers Filters are all interchangeable with each other to match your current needs.

To check that the standard size is correct for your machine you can look at the bottom of your machine for the model or you can measure the height of your existing filter. If model starts with HM4-- or if your filter measures 14.5"H, then the standard size is correct.

Shipping / Pickup

Shipping: Free to lower 48 states. For orders going to Alaska or Hawaii, please call for shipping rates and to place orders. *All Austin Air products are shipped directly to you from Austin Air's facility.

Pickup: Pickup is available during business hours Tuesday-Saturday. Please call so that we can process your order manually. *We keep a small selection of filters in stock. If we do not have your desired product available, we will order it directly from Austin Air and notify you once it is received and ready for pick up.

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