Pay in 4 interest-free payments of $87.50 Learn more
Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
22 gauge butterfly style galvanized steel blades
CB30 - three way
PERFORMANCE DATA 915 Series Engineering/Performance Data
Standard Features * Steel honeycomb construction * Flush core and frame provides smooth surface * Free area equals more than 75% of nominal size * Driftwood Tan Options * Mounting holes for sidewall and ceiling application * 1600R - reinforced welded core and extra supports for heavy duty application * Standard Color
Backdraft Vertical Mount 3550-18X36 Step Down Ceiling Diffuser 22 gauge butterfly style galvanizedh3. Standard Features * 3550 Vertical mount * 3560 Horizontal mount air up * 3570 Horizontal mount air down * 3580 Round sizes available 5" to 24" * All non motorized backdraft dampers * Dampers are opened by air pressure differential and closed by gravity * 16 gauge channel frame with 26 gauge galvanized blades * Out of airstream linkage * Blades are vee stiffened 26 gauge for strength and stability * Square steel pivot pins * Nylon bushings * Single
US$ 3749.50
US$ 1599.50
US$ 765.54
US$ 765.54
US$ 499.50
