Austin Air Immunity Machine Replacement Filter Cartridge w/ Pre-filter
Model: FR444
SKU: aus-rf-us1712
CARB Certified: Approved for sale to California
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Genuine Austin Air HEPA/Carbon Filter Cartridge Replacement for standard models. Ships directly from Austin Air. Includes: 1. Large Particle Pre-Filter for dust and hair 2. Medium Particle Pre-Filter for mold, spores, and pollen 3–6. Four-Part Granular Defense Combo for gases, VOCs, chemicals, and odors 7. Medical-grade HEPA for 99.97% removal of particles ≥0.3 microns and 8. Military-grade HEGA carbon cloth for viruses and bacteria.
Replace every 4-5 years based on usage of 12 hours a day
Genuine Austin Air HEPA/Carbon Filter Cartridge Replacement for standard models. Ships directly from Austin Air. Includes: 1. Large Particle Pre-Filter for dust and hair 2. Medium Particle Pre-Filter for mold, spores, and pollen 3–6. Four-Part Granular Defense Combo for gases, VOCs, chemicals, and odors 7. Medical-grade HEPA for 99.97% removal of particles ≥0.3 microns and 8. Military-grade HEGA carbon cloth for viruses and bacteria.
Replace every 4-5 years based on usage of 12 hours a day
Meet the Immunity Machine: 8 Phases of Protection
This next-generation purifier features our brand-new 8-phase filtration system, combining two prefilters, medical-grade HEPA, military-grade HEGA, and a four-part granular defense combo. The Immunity Machine targets viruses, VOCs, chemicals, allergens, and ultrafine particles like never before.
Phase 1:Large Particle Pre-Filter for dust and hair
Phase 2:Medium Particle Pre-Filter for mold, spores, and pollen
Phases 3–6:Four-Part Granular Defense Combo for gases, VOCs, chemicals, and odors
Phase 7:Medical-grade HEPA for 99.97% removal of particles ≥0.3 microns
Phase 8:Military-grade HEGA carbon cloth for viruses and bacteria
Video
Austin Air Filter Change Demonstration by Barb Lulay at USAirPurifiers.com, an authorized dealer
Label Clarification
Important Note: Due to electrical certifications (CSA & UL) all units state HM400 or HM200 on the label on the underside of the unit\'s casing/body. This is a certification that pertains to the electrical portion of the unit.
All the bodies of the units are the same.
This is not to be confused with the filter configurations which allow the unit to be specifically made for various niches such as pets or chemicals. It is this filter design that makes a unit an HM402 Bedroom Machine, HM405 Allergy, HM410 Pet Machine, HM450 Healthmate Plus, and HM400 Healthmate, etc...
The same is true for the HM200 series (ie the Junior series).
