![2" Round Vertical Mount Fire Damper 2549-24](http://www.registers-direct.com/cdn/shop/products/412c127e2c742a04d5e0e61d32d0a6ca_bca4b791-bc23-4591-8c81-e1579a62e8d3_{width}x.jpg?v=1537516203)
2" Round Vertical Mount Fire Damper 2549-24
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-90) * Self locking corner (4) * 165° replaceable fusible link (2) h3.Options * Sleeve variations h3.Installation Instructions * UL approved installation instructions