2" Vertical Mount Fire Damper 2501-14X10 Step Down Ceiling Diffuser Square collar designed for 22"

Square collar designed for 22" x 22" duct

T-Bar Modular Core Diffuser with Round Collar 18-20

Fits 1x1 ceiling grids (collar size 6"-10")

Center margins are mounted on the backside of the grille for a streamlined continuous look

Performance Data - No Damper

2" Vertical Mount Fire Damper 2501-14X10 Step Down Ceiling Diffuser Square collar designed for 22"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