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Unique fan-shapped pattern lends to both heating and air conditioning applications
*Pricing is based on standard 14 GA steel construction
904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 24" Duct Opening (front blades parallel to shortest dimension)
contour molded fiberglass back with a foil barrier backing
Standard Features * Steel galvaneal construction * For evaporative coolers or central blower systems * Modern step-down design * 4-way air diffusion * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * One-piece removable slide damper for off season closure * Soft White
2" Horizontal/Vertical Mount Fire Damper 2534-20X20 Smoke-Fire Damper Unique fan-shapped pattern lends toh3. Standard Features * 2533 Square or rectangular for vertical mount only. Maximum dimension 48w, 41h. * 2534 Square or rectangular spring actuated (6) for horizontal or vertical mount. Maximum dimension 41w, 29h. * UL and California State Fire Marshall approved * 2" thinline frame * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized mild steel (G 90) * Self
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