Backdraft Vertical Mount 3550-24X32 T-Bar 1/2" spacing dual angular louvers

1/2" spacing dual angular louvers for strength and maximum free area

14 gauge steel construction

Hinged perforated face with screwdriver access to release

Ideal for supply air in the toe space areas between kitchen cabinets

Backdraft Vertical Mount 3550-24X32 T-Bar 1/2" spacing dual angular louversh3. 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