4 1/4" Horizontal/Vertical Mount Fire Damper 2602-60X28 Residential Registers & Grilles Standard Features * 2633 -

Standard Features * 2633 - Square or rectangular out-of-airstream fire damper for vertical mount only

Designed for large volume air delivery

Standard Features * Individually adjustable curved blade T-Bar lay in diffuser with concealed hinges * Hinged perforated face * Spring push release for easy access to adjust curved blades * 2x2 galvaneal steel panel with seismic support hangers * Round No Labor Collar sizes: 6-10"

Spiral Diffuser Radius Flush Mount Diffuser Single Deflec

Heavy gauge cold roll steel

4 1/4" Horizontal/Vertical Mount Fire Damper 2602-60X28 Residential Registers & Grilles Standard Features * 2633 -h3. 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