3 Hour Out Of Air Fire Door Grille 2663-30X20 past 12 months 060 T6 extruded aluminum construction

060 T6 extruded aluminum construction * 45 fixed blade face to conceal filter * Hand operated lever for easy filter access * Concealed mounting holes * Filter door hinges parallel to longest side * Filter retainers * Removable face for easy cleaning * For 1" filter (not included) * Soft White Options * 900 2 FG - 2" filter spacing (filter not included) * 900 TFG - T-Bar mount * 920 FG Series - galvaneal steel frame * Standard Color

PERFORMANCE DATA CB-T Series Engineering/Performance Data

904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 24" Duct Opening (front blades parallel to shortest dimension)

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

3 Hour Out Of Air Fire Door Grille 2663-30X20 past 12 months 060 T6 extruded aluminum constructionh3. 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"