Have this Master Flow 4 in. Galvanized Intake Hood delivered to your job site. Built-in bird screen. Sturdy galvanized steel construction. Always seal seams with building code approved sealant or duct tape. Install with sheet metal screws. Built-in screen to prevent bird entry. Maximum temperature rating of 390 degree F, minimum temperature rating of-100 degree F.

Have this Master Flow 4 in. Galvanized Intake Hood delivered to your job site. Built-in bird screen. Sturdy galvanized steel construction. Always seal seams with building code approved sealant or duct tape. Install with sheet metal screws. Built-in screen to prevent bird entry. Maximum temperature rating of 390 degree F, minimum temperature rating of-100 degree F.