3 Hour Out Of Air Fire Door Grille 2663-48X14 Smoke-Fire Damper Smoke Test and More Information

Smoke Test and More Information on MA Series Diffusers

Maximum dimension 41w

2" thin-line roll formed out-of-airstream frame

945 Series Engineering/Performance Data

055 T6 extruded aluminum construction * Fits all Shoemaker commercial products * Controls airflow evenly * Screwdriver operated * Available in even sizes * Mill finish Options * Clips for easy installation * Soft White

3 Hour Out Of Air Fire Door Grille 2663-48X14 Smoke-Fire Damper Smoke Test and More Informationh3. Standard Features * 2661 Square or rectangular fire door for vertical mount only. Maximum dimension 60x60. For damper free area chart A click here * 2663 Out of Airstream fire door. Square or rectangular for vertical mount only. Maximum dimension 60w x 52h. For damper free area chart B click here * 2665 Round fire door for vertical mount only. Available 4" thru 52" round. * 3 hour rated * UL and California State Fire Marshall approved * 4 1 4"