4" Horizontal/Vertical Mount Fire Damper 2634-48X34 Accessories Delivers supply air in a

Delivers supply air in a 360° air pattern

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

Hand operated lever for easy filter access and cleaning

listed Fire-Resistance Diffusers * TVB - Thermal Vapor Blanket * Square collar

4" Horizontal/Vertical Mount Fire Damper 2634-48X34 Accessories Delivers supply air in ah3. 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