Austin Air Purifier Filter Life Matrix
| Austin Air Model | Prefilter | Integrated HEPA/ Carbon Zeolite | Integrated HEPA/ Carbon Zeolite Plus* | HEPA/ Military Cloth |
| HM200 | 1-2 years | 5 years | ||
| HM200 Plus | 1-2 years | 5 years | ||
| HM400Â | 1-2 years | 5 years | ||
| HM400 Plus | 1-2 years | 5 years | ||
| Allergy Machine | 1-2 years | 5 years | ||
| Pet Machine | 1-2 years | 5 years |
* Carbon Zeolite with Potassium Iodide
