2" Round Vertical Mount Fire Damper 2549-16 Commercial 3-way register with stiffened 1/2"

3-way register with stiffened 1/2" fan shaped louvers for silent operation

UL listed and tested in accordance with UL Standard 555

904 - Double Deflection Adjustable Aluminum Blade Grille For a 14" x 12" Duct Opening (front blades parallel to shortest dimension)

inner dimension and outside dimension sizes available * Tamper proof screws * Standard Color

back blades parallel to the shortest dimension Extruded aluminum surface mount frame with signature line marks Provides 4-way air flow on one plane Nylon bushings on adj

2" Round Vertical Mount Fire Damper 2549-16 Commercial 3-way register with stiffened 1/2"h3. Standard Features * 1 1 2 hour rated fire damper * 2549 Round damper for vertical mount only. Available 4" thru 40" round. * 2550 Round Spring actuated (6) damper for vertical or horizontal mount. Available 4" thru 28" round. * UL and California State Fire Marshall approved * 2" thinline frame * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized mild steel (G