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Austin Air

Austin Air Immunity Machine Filter - FR444B

Austin Air Immunity Machine Filter - FR444B

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Austin Air Immunity Machine Filter - FR444B

The Austin Air Immunity Machine Replacement Filter brings the power of our most advanced 8-phase filtration system to your existing standard model purifier. Engineered for individuals with heightened immune vulnerability, those living in new construction homes, or anyone exposed to modern chemical pollutants and viruses in high-traffic spaces like classrooms, clinics, and shared offices, this replacement filter upgrades your current unit to next-level protection.This next-generation filter combines eight different types of filtration media—including medical-grade HEPA, military-grade HEGA carbon, and a four-part granular defense combo of carbon, impregnated carbon, zeolite, and impregnated zeolite—to remove the widest range of airborne threats.Unlike traditional filters that primarily target particles, the Immunity Machine Replacement Filter is designed to capture and neutralize gases, VOCs, viruses, bacteria, and ultrafine particles, ensuring your air purifier continues to deliver comprehensive immune-supporting protection for your home or office.

What Our Experts Think
  • The Austin Air Immunity Machine Replacement Filter delivers advanced 8-stage filtration for maximum protection against airborne contaminants.

  • Designed for individuals with sensitive immune systems, respiratory conditions, or high chemical exposure.

  • Captures fine particles, allergens, bacteria, viruses, and VOCs through a powerful combination of HEPA and activated carbon filtration.

  • Ideal for use in homes, classrooms, medical offices, and other high-traffic or chemically exposed environments.

  • Extends your purifier’s lifespan while restoring its full clean-air performance.

Q&A

Q: How often should I replace this filter?
A: Replace approximately every 5 years under normal home use, or every 3 years in high-pollution areas.

Q: What makes this filter different from standard Austin Air filters?
A: It features an 8-phase filtration system with enhanced carbon and HEPA layers for superior chemical and virus removal.

Q: Is it compatible with all Austin Air models?
A: It’s specifically designed for the Austin Air HealthMate and Immunity Machine units.

Q: Does it help with odors and gases?
A: Yes, the activated carbon blend effectively removes VOCs, chemical fumes, and household odors.

Maintenance Tips
  • Vacuum the purifier’s exterior monthly to prevent dust buildup.

  • Keep at least 6 inches of space around the unit for optimal airflow.

  • Operate the purifier on a low setting continuously for consistent air cleaning.

  • Replace filters sooner if you notice reduced airflow or increased odor presence.

  • Avoid exposure to excessive moisture to maintain filter integrity.