Backdraft Vertical Mount 3550-26X16 Accessories Designed to minimize vision into

Designed to minimize vision into the air duct

One piece curved frame with gasket fits flush to spiral pipe

Standard Features * Galvanized steel panel * Square hole: 6" thru 22" sizes * Seismic support holes * 2x2 * Soft White Options * 1x2

* 2550 - Round Spring actuated (6) damper for vertical or horizontal mount

Diffuser available in sizes 6×6 through 20×20

Backdraft Vertical Mount 3550-26X16 Accessories Designed to minimize vision intoh3. Standard Features * 3550 Vertical mount * 3560 Horizontal mount air up * 3570 Horizontal mount air down * 3580 Round sizes available 5" to 24" * All non motorized backdraft dampers * Dampers are opened by air pressure differential and closed by gravity * 16 gauge channel frame with 26 gauge galvanized blades * Out of airstream linkage * Blades are vee stiffened 26 gauge for strength and stability * Square steel pivot pins * Nylon bushings * Single