2" 3 Hour Vertical Mount Fire Door 2561-36X34 Smoke-Fire Damper Countersunk mounting holes for flush

Countersunk mounting holes for flush appearance with color matching screws

Ideal for supply air in the toe space areas between kitchen cabinets

CSFM California State Fire Marshal listed

Standard Features *Surface mount return air grille * 0 fixed blades parallel to longest dimension * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * 937 O - recessed screwdriver operated opposed blade damper * No Labor Collar (square sizes only) * 900 T - T-Bar mount * 905 HD - reinforced construction * 905 IS - insect screen * 1335-1338 Series - stainless steel version * Tamper proof screws

2" 3 Hour Vertical Mount Fire Door 2561-36X34 Smoke-Fire Damper Countersunk mounting holes for flushh3. Standard Features * 2561 Square or rectangular fire door for vertical mount only. Maximum dimension 48w, 49h. For damper free area chart A click here * 2563 Out of Airstream fire door. Square or rectangular for vertical mount only. Maximum dimension 48w, 41h. For damper free area chart B click here * 2565 Round fire door for vertical mount only. Available 4" thru 40" round. * UL and California State Fire Marshall approved * 2" thinline frame *