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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
Collar sizes available in 6”–10”
Standard Features * Removable core * Available in five air patterns * 22 gauge steel flush core provides uniform air distribution * Square to round No Labor Collar (6" thru 18") * 2x2 galvaneal steel panel with seismic support holes * Soft White Options * 700DVD D - steel multi-shutter damper * 700DVD O - opposed blade damper * 700DVD FR - U
904 - Double Deflection Adjustable Aluminum Blade Grille For a 34" x 18" Duct Opening (front blades parallel to shortest dimension)
listed Fire-Resistance Diffuser * TVB - Thermal Vapor Blanket * Square collar
Individually welded 14 guage diffusion bars
4" Horizontal/Vertical Mount Fire Damper 2634-36X18 Smoke-Fire Damper Collar sizes available in 6”–10”h3. 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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