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1/2" spacing dual angular louvers for strength and maximum free area
listed Fire-Resistance Diffusers * TVB - Thermal Vapor Blanket * Square collar
Attractive concentric ring deflects air stream 360°
HVL Series Submittal
Extended sleeve (2751)
4" Horizontal/Vertical Mount Fire Damper 2634-48X34 Accessories 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$ 24.95
US$ 39.99
US$ 10.95
