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103 P - three way
Smoke Test and More Information on MA Series Diffusers
Countersunk mounting holes for flush appearance with color matching Phillips Pozidriv screws
Opposed Blade Damper standard on 4" widths
904 - Double Deflection Adjustable Aluminum Blade Grille For a 48" x 20" Duct Opening (front blades parallel to shortest dimension)
2" Vertical Mount Fire Damper 2501-44X6 Residential Registers & Grilles 103 P - three wayh3. Standard Features * 2501 Square or rectangular for vertical mount only. Maximum dimension 48w, 49h. * 2502 Square or rectangular spring actuated (6) for horizontal or vertical mount. Maximum dimension 41w, 36h. * 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
