4 1/4" Vertical Mount Fire Damper 2633-48X16 Step Down Ceiling Diffuser 450 Series Submittal

450 Series Submittal

Divided 2-way multi-louver and combination shut-off

3/16" cross bars

inner dimension and outside dimension available * Available in continuous lengths with butt joints * Tamper proof screws * Standard Color

Standard Features * Aluminum construction deep housing and inner concentric rings * Designed for high volume long throw applications * Adjustable air direction * Easily installed with use of strong spring clips * No screwholes offers clean appearance for wall mount * Anodized finish Options * 1204 - turbo nozzle in panel mount

4 1/4" Vertical Mount Fire Damper 2633-48X16 Step Down Ceiling Diffuser 450 Series Submittalh3. Standard Features * 2633 Square or rectangular out of airstream fire damper for vertical mount only. * 2634 Square or rectangular Spring actuated (6) out of airstream fire damper for horizontal or vertical mount. * UL and California State Fire Marshall approved * 4 1 4" standard frame style * Maximum dimension 60w, 52h * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion