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850 Series Engineering/Performance Data
Standard Features * For large volume air delivery * For evaporative coolers or central blower systems * Adjustable directional dampers with shut-off * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White
Fits 1x1 ceiling grids (collar size 6"-10")
inner dimension and outside dimension sizes available * Tamper proof screws * Standard Color
904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 4" Duct Opening (front blades parallel to shortest dimension)
4 1/4" Horizontal/Vertical Mount Fire Damper 2602-60X40 Step Down Ceiling Diffuser 850 Series Engineering/Performance Datah3. 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
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