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904 - Double Deflection Adjustable Aluminum Blade Grille For a 36" x 10" Duct Opening (front blades parallel to shortest dimension)
Countersunk mounting holes for flush appearance
Louvers designed with rolled rib for maximum strength and rigidity
Opposed Blade Damper standard on 4" widths
4 1/4" Horizontal/Vertical Mount Fire Damper 2602-24X6 Step Down Ceiling Diffuser 904 - Double Deflection Adjustableh3. Standard Features * 2601 Square or rectangular for vertical mount only. Maximum dimension 60x60 single, 120x120 multiple. * 2602 Square or rectangular spring actuated (6) for horizontal or vertical mount. Maximum dimension 60x60. * UL and California State Fire Marshall approved * 4 1 4" standard frame style * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized
