Backdraft Vertical Mount 3550-30X10 Accessories 7/8” Wide x 7/8” High

7/8” Wide x 7/8” High square holes

Uniform 360 degree discharge pattern

* UL and California State Fire Marshall approved * 4-1/4" standard frame style * Maximum dimension 60w

Five air patterns available

Standard Features *Surface mount diffuser * Nylon bushings for easy adjustment and quiet setting of steel blades * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Single deflection diffuser with adjustable steel blades * steel blades are parallel to shortest dimension * Allows 2-way air deflection on one plane * Soft White Options * 932 O - with recessed screwdriver operated opposed blade damper * 1331 and 1332 Series - stainless steel single deflection * Tamper proof screws * Standard Color or Design Color Finish available on this product

Backdraft Vertical Mount 3550-30X10 Accessories 7/8” Wide x 7/8” Highh3. 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