Filter Change Schedule

First Stage Foam Prefilter Check every three months, vacuum or hand wash. Replace every year.
Second Stage HEPA Cartridge Check every 2 years. Replace when outside surface of media is dark in colour.
Third Stage Carbon Inner Blanket Replace every 6 months or when there is a noticeable increase of odours.

Stage Two Targets:

Pollen
Dust Mites
Pet Dander
Skin Flakes
Bacteria
Radon Progenies
Wood Smoke
Viruses
Tobacco Smoke
Fungus Spores