• Aluminum Frame 1"

    $19.90
    Aluminum Frames Please Note: If you don't have a filter holding frame you will need to purchase a Aluminum Frame to hold the filters. This is a one time purchase. **Prices are subject to change...
  • Carbon Filter Frame and GREEN SCREEN Air Filter Sold Separately

    Activated Carbon Screen*

    $10.90
    Activated Carbon filters are cut the same size as your frame and go between the "Screen" and the grid of the frame. These work with ALL frames. They usually last 2-3 times longer than the "Screen"...