Search·Austin Air
Use this page to see which air purifier models take this cartridge, check suggested change timing when we have it, and open retailer links when you’re ready to buy.
Brand
Austin Air
This filter’s OEM number is linked to the purifier models below in our reference. If yours is listed, open buying options when you’re ready—always match the number on your current cartridge.
FR400
Austin Air HealthMate replacement filter (standard blend)
Replace about every 12 months
Fits these models (1)
Notes & next steps
Search again if you need a different model or part number.
Standard Austin Air HealthMate / HM400 cartridge marking; confirm Pet/Plus/Allergy blend vs standard on your unit.