What Our Experts Think
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The Austin Air Immunity Machine (B444D1) is the brand’s most advanced purifier, featuring an 8-phase filtration system for complete protection against viruses, VOCs, chemicals, allergens, and ultrafine particles.
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Designed for immunocompromised individuals or environments with high exposure risks—such as clinics, classrooms, and new construction homes.
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Combines medical-grade HEPA and activated carbon with zeolite and potassium iodide to neutralize a broad range of airborne contaminants.
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Built with durable steel housing and 5-year filters, ensuring longevity and minimal maintenance.
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Ideal for users seeking the highest level of clean air protection in both home and professional spaces.
Q&A
Q: What makes the Immunity Machine different from other Austin Air models?
A: It features an upgraded 8-stage filtration system for maximum virus, chemical, and particle removal, making it the most comprehensive in the lineup.
Q: Who should use this air purifier?
A: Perfect for immune-sensitive users, people in high-pollution or shared environments, and those concerned about chemical exposure or viral transmission.
Q: How large of a space can it purify?
A: Covers up to 1500 sq. ft., ideal for bedrooms, offices, and medium to large rooms.
Q: How long does the filter last?
A: The filter is rated for up to 5 years under typical residential use.
Maintenance Tips
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Keep the unit running on low speed for consistent air turnover.
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Vacuum the exterior grille monthly to maintain airflow.
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Allow at least 6 inches of clearance around the unit.
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Replace the filter promptly if airflow decreases or odors return.
