11F58 | Lennox C1CURB70C-1, Hybrid Roof Curb, Downflow Double Duct Opening, 86-1/8 x 102 Inch x 8 Inch Height | Lennox

8in DOWNFLOW ROOF CURB: The Lennox 11F58 is an 8-inch downflow roof curb designed for use with Lennox downflow furnaces. It is constructed of galvanized steel and features a baked-on enamel finish for durability. The curb has a 14-inch x 14-inch base and a 10-inch x 10-inch top opening. It is designed to be installed on a flat roof and includes a rubber gasket to ensure a weather-tight seal. The Lennox 11F58 is a durable and reliable roof curb that is essential for the proper installation of a Lennox downflow furnace. Our HVAC supply store: We offer the best prices on Lennox 11F58 8in DOWNFLOW ROOF CURB and fast shipping!