4 1/4" Horizontal/Vertical Mount Fire Damper 2602-28X28 past 12 months Check out the All About

Check out the All About Spirals page

RS52 Series Engineering/Performance Data

remove the two center cones as a unit and reposition the six screws

CB-T Series Submittal

Standard Features * Universal Collars for T-bar supply and returns * Soft White Finish * Available for 6" to 14" round duct in 1" increments

4 1/4" Horizontal/Vertical Mount Fire Damper 2602-28X28 past 12 months Check out the All Abouth3. Standard Features * 2601 Square or rectangular for vertical mount only. Maximum dimension 60x60 single, 120x120 multiple. * 2602 Square or rectangular spring actuated (6) for horizontal or vertical mount. Maximum dimension 60x60. * 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