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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
Non-standard size collar (available in 6" through 20")
Options * MAR - Mounting Angle Ring (sold in pairs - 2 needed
57% free area * 1307: 13/16" lattice opening
Stamped from cold roll steel
Hand operated level for easy filter access and cleaning
4" Round Horizontal/Vertical Fire Damper 2650-12 Step Down Ceiling Diffuser Non-standard size collar (available inh3. 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
US$ 85.99
US$ 49.49
US$ 17.49
US$ 42.99
