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listed Fire-Resistance Diffusers * TVB - Thermal Vapor Blanket * Square collar
Installation Instructions * UL approved installation instructions
Standard Features * 45-degree fixed blades parallel to the longest dimension * Hand operated lever for easy filter access * Holds up to 2" thick standard filter (not included) * Removable face for easy cleaning and maintenance * Filter door hinges parallel to longest side * 4-way reversible door on square sizes * 2-way reversible door on rectangular sizes * Filter retention tabs * Concealed mounting holes * Soft White Options * SP920FG-4 - holds 4" deep air filter * 920 TFG - T-Bar mount * Standard Color or Designer Color Finish available on this product
12" and 14") * HVD OR - factory installed opposed radial damper (sizes 6"-14") * HVD FR - U
Spring actuated curtain-type fire damper with 2 1/4" round connection for horizontal or vertical mount
4" Horizontal/Vertical Mount Fire Damper 2634-48X34 Accessories listed Fire-Resistance Diffusers * TVBh3. 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
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