Pay in 4 interest-free payments of $49.01 Learn more
Ships within 48 hours · Estimated delivery Nov 16 - Nov 21
904 - Double Deflection Adjustable Aluminum Blade Grille For a 18" x 4" Duct Opening (front blades parallel to shortest dimension)
Standard Features * 2649 - Round damper for vertical mount only
Hinged removable door with hinges parallel to the longest dimension
CB Series 6X6 REVIT Files
available with one
Backdraft Vertical Mount 3550-12X12 Accessories 904 - Double Deflection Adjustableh3. Standard Features * 3550 Vertical mount * 3560 Horizontal mount air up * 3570 Horizontal mount air down * 3580 Round sizes available 5" to 24" * All non motorized backdraft dampers * Dampers are opened by air pressure differential and closed by gravity * 16 gauge channel frame with 26 gauge galvanized blades * Out of airstream linkage * Blades are vee stiffened 26 gauge for strength and stability * Square steel pivot pins * Nylon bushings * Single
US$ 49999.50
US$ 55500.00
US$ 116000.00
US$ 57500.00
US$ 3000.00
US$ 275000.00
US$ 8000.00
US$ 60000.00
US$ 59000.00
US$ 60.00
