3 Hour Out Of Air Fire Door Grille 2663-26X26 T-Bar *Pricing is based on standard

*Pricing is based on standard 14 GA steel construction

Countersunk mounting holes for flush appearance

955 Series Engineering/Performance Data

Hinged removable door with hinges parallel to the longest dimension

Square to round 2" collar with roll formed retention bead

3 Hour Out Of Air Fire Door Grille 2663-26X26 T-Bar *Pricing is based on standardh3. 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"