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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
1/2" spacing dual angular louvers for strength and maximum free area
904 - Double Deflection Adjustable Aluminum Blade Grille For a 48" x 8" Duct Opening (front blades parallel to shortest dimension)
22 gauge butterfly style galvanized steel blades
Minimum size 4"x4"
4" Horizontal/Vertical Mount Fire Damper 2634-36X20 T-Bar 1/2" spacing dual angular louversh3. Standard Features * 2633 Square or rectangular out of airstream fire damper for vertical mount only. * 2634 Square or rectangular Spring actuated (6) out of airstream fire damper for horizontal or vertical mount. * UL and California State Fire Marshall approved * 4 1 4" standard frame style * Maximum dimension 60w, 52h * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion
US$ 2920.05
US$ 185.85
