Junior Pre-Filter
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Junior Pre-Filter
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Shipping Information
If your order is placed by 1 pm EST Monday through Friday, we strive to ship on the same business day. Please note, our offices are open Monday through Thursday from 8 am to 5 pm EST and Friday from 8 am to 2:30 pm EST. Orders placed on the weekend will ship on Monday.
Consistent with the provisions of the FedEx and UPS Service Guide, shipment delays caused by natural disasters such as wildfires are not eligible for any expedited delivery guarantee, nor are the shipping fees eligible for a refund or credit. -
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FAQ’s
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This large particle pre-filter for our junior model air purifiers removes particles easily seen by the naked eye (e.g. dust, hair and pet dander). Changing the pre-filter when needed helps to prolong the life of the main filter.
Fits These Austin Air Models:
All Junior Size Austin Air Purifiers, including:
- Austin Air HealthMate Junior
- Austin Air HealthMate Plus Junior
- Austin Air Allergy Machine Junior model
This prefilter does not fit Standard models or the Austin Air “it” Air Purifier.
What This Prefilter Removes:
- Large dust particles
- Pet hair and dander
- Carpet fibers and lint
- Pollen clumps
- Other visible airborne debris
Why Replace Your Prefilter?
- Protects your main filter from early wear
- Improves airflow and performance of your Austin Air unit
- Maintains cleaner, healthier air in your home
FAQs
Please read our FAQs page to find out more.
What does this prefilter actually do?
The prefilter captures visible airborne debris like dust, pet hair, lint, and dander before it reaches your main filter. This protects your unit and helps it run more efficiently.
How do I know which filter size I need?
Check the label on your Austin Air unit — standard units begin with HM4 (like HM400), junior units start with HM2 (like HM200), and the personal "it" units are smaller and labeled accordingly. You can also measure your unit or use our “Help Me Choose” tool.
Does this come with the full filter?
No — this is a replacement prefilter only, designed to pair with your existing Austin Air main filter. It’s the first stage of your purifier’s 4-stage system.
How do I choose the right color?
Choose white if your unit is White or Sandstone, and black if your unit is Black or Midnight Blue. This helps it blend in with your purifier’s exterior grille.
Which models does this prefilter fit?
This prefilter fits junior-size Austin Air units only — including the HealthMate Junior and the HealthMate Plus Junior. It does not fit Standard or Personal models.
Customers are saying
Austin “it”
Whether you’re working from the office, traveling, or relaxing at home, the Austin Air “it” delivers powerful, personal air purification you can take anywhere. This compact purifier is built with the same trusted HEPA technology used in hospitals, now sized for small personal spaces. It captures everything from visible dust to ultra-fine viruses and allergens—removing 99.97% of particles ≥ 0.3 microns and 99% of particles ≥ 0.1 microns.
Lightweight and portable, the “it” is perfect for desktops, dorms, bedside tables, hotel rooms, and more. Pair it with the Austin “it” Carry Case to take clean air with you wherever life goes.