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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
Standard Features * Heavy duty 16 gauge steel construction * Blades run parallel to longest dimension given * Gym Grade - includes welded core and extra supports for heavy duty application * Mounting holes for sidewall and ceiling application * Soft White Options * No mounting holes * For opposed blade damper
Options * MAR - Mounting Angle Ring (sold in pairs - 2 needed
Hand operated level for easy filter access and cleaning
57% free area * 1307: 13/16" lattice opening
Collar sizes available in 6”–10”
4" Round Horizontal/Vertical Fire Damper 2650-12 Step Down Ceiling Diffuser Standard Features * Heavy dutyh3. 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
