![2" Vertical Mount Fire Damper 2501-22X8](http://www.registers-direct.com/cdn/shop/products/ab9627d73d11383a19719a8eb153f202_bf758691-69ae-4d9b-a77b-23259edde336_{width}x.jpg?v=1537511775)
2" Vertical Mount Fire Damper 2501-22X8
h3.Standard Features * 2501 -Square or rectangular for vertical mount only. Maximum dimension 48w, 49h. * 2502 - Square or rectangular spring actuated (6) for horizontal or vertical mount. Maximum dimension 41w, 36h. * 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 * Fractional and odd sizes available h3.Installation Instructions * UL approved installation instructions