Fantech RC4 - Roof Caps, 4" Duct (Aluminum)
The Fantech RC4 Roof Cap provides reliable roof top ventilation.
Made from aluminum, the Fantech RC4 Roof Cap is designed to be used with 4" ducts. This roof cap has a damper flap closure that closes tightly when the fan is not running. The screened exhaust opening prevents birds, dust, debris and any unwanted things from entering the duct.