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Square collar designed for 22" x 22" duct
Submittal Drawing
53% free area * 1306: 3/4" lattice opening
CB Series 6X6 REVIT Files
Standard Features * Stamped 22 gauge steel curved blade T-Bar lay-in supply diffuser * Field adjustable * Five air patterns: 101 - one way
4" Round Horizontal/Vertical Fire Damper 2650-7 Smoke-Fire Damper Square collar designed for 22"h3. Standard Features * 2649 Round damper for vertical mount only. Available 4" thru 52" round. * 2650 Round spring actuated (6) damper for vertical or horizontal mount. Available 4" thru 52" round. * 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 mild steel (G 90) * Self locking
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