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Low profile design for tight mechanical areas
904 - Double Deflection Adjustable Aluminum Blade Grille For a 42" x 18" Duct Opening (front blades parallel to shortest dimension)
PERFORMANCE DATA 907 Series Engineering/Performance Data
Surface mount fixed blade grille with airfoil blades at 0°
57% free area * 1307: 13/16" lattice opening
2" Horizontal/Vertical Mount Curtain Fire Damper 2502-34X34 past 12 months Low profile design for tighth3. 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
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