The Green Line is Kootenay Filter Inc.’s This unique KFI product uses only virgin activated carbon made from renewable resources. KFI filters consist of only 2 things, steel and carbon; they are effective and robust.

Flange 14″Max CFM: 1625Diameter: 17.7″Length: 49.2″Weight: 80.1 lbsCarbon Weight: 45.0 lbsMade in North America