8" Round Barometric By-Pass Damper

Insulation proof - All openings secured preventing sprayed-in insulation from entering regulator and causing problems Obstruction proof - All moving parts protected from external obstructions Gasket material minimizes air bypass when blade is closed Common plastic bearing stabilizes damper blade Hex shaft allows secure blade fastening Counter-weighted blade allows installation in any orientation Gap between regulator and damper shell allows damper to be fully insulated No loose parts - Damper ships completely assembled