Pay in 4 interest-free payments of $28.76 Learn more
Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
with 53% free area
Air Patterns
Non-standard size collar (available in 6" through 20")
Standard Features * Return air T-Bar lay-in filter grille * Removable louvered 20 gauge steel face * 20" x 20"x 1" filter (not included) * 7/8" fiberglass back plenum cut holes 6"-16" (collar by others) * Seismic support holes * Soft White
4" Round Vertical Mount Fire Damper 2649-6 Step Down Ceiling Diffuser with 53% free areah3. 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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