Austin Air FR405B Replacement Standard Allergy Machine Filter (White)
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Austin Air FR405B Features
Allergy Machine Filter
If you or a loved one struggles with allergies or asthma, changing your air purifier filter isn’t just maintenance — it’s essential. The Austin Air Allergy Machine Replacement Filter is specially engineered to target airborne allergens and asthma triggers using a powerful combination of medical-grade HEPA and military-grade HEGA filtration. Restore your purifier’s full potential and give your home the clean, allergen-free air your family deserves.
- White filter is designed for White and Sandstone units
- Black filter is designed for Black and Midnight Blue units
Designed for People Who:
- Struggle with seasonal allergies, dust sensitivities, or chronic asthma
- Have pets, or live in areas with high pollen counts or mold exposure
- Want to create a healthier sleep environment for children or family members
- Are seeking relief from coughing, sneezing, nasal congestion, or wheezing caused by poor indoor air
- Need a purifier filter with exceptional allergen and microbe control
Austin Air FR405B Overview
Allergy Machine Filter
If you or a loved one struggles with allergies or asthma, changing your air purifier filter isn’t just maintenance — it’s essential. The Austin Air Allergy Machine Replacement Filter is specially engineered to target airborne allergens and asthma triggers using a powerful combination of medical-grade HEPA and military-grade HEGA filtration. Restore your purifier’s full potential and give your home the clean, allergen-free air your family deserves.
- White filter is designed for White and Sandstone units
- Black filter is designed for Black and Midnight Blue units
Designed for People Who:
- Struggle with seasonal allergies, dust sensitivities, or chronic asthma
- Have pets, or live in areas with high pollen counts or mold exposure
- Want to create a healthier sleep environment for children or family members
- Are seeking relief from coughing, sneezing, nasal congestion, or wheezing caused by poor indoor air
- Need a purifier filter with exceptional allergen and microbe control
Austin Air FR405B Why Us
Flexible Monthly Financing with Affirm
Split your purchase into easy payments over time—interest-free or with simple interest depending on your plan and eligibility.
Get Free In-Home Delivery on Orders $799+
We offer free in-home delivery to most serviceable zip codes for orders over $799.
Membership Club
Free Standard Installation
Free 1 Year Extended Warranty
Bonus Rewards
3 Level Rebate
Manufacturer rebates, instant savings, and product discounts — all in one place.
Customize your Coverage
Choose a 3- or 5-year protection plan—get 50% back if you don't use it.
Price Match Guarantee
If you find a lower price on an identical item from a local competitor or select online retailers, we will match it.