Hvac Roof Cap, Round, Aluminum, 4 In.

Lambro 4" Round Aluminum Roof Cap with Damper and Screen. It fits 4" diameter duct and has a 1-3/4" flange. This roof cap is not designed to be used for dryer exhaust. It includes a damper and screen to prevent debris from entering the ductwork.

• 4 in. Round
• Aluminum
• Fits 4 in. diameter duct
• 1-3/4 in. flange
• Not designed to be used for dryer exhaust