2" 3 Hour Vertical Mount Fire Door 2561-30X26 Step Down Ceiling Diffuser Ceiling opening must be 4”

Ceiling opening must be 4” larger in length and width than the nominal duct size

Square to round transition collar

linkage and handle enclosed in valve to assure trouble-free operation * Countersunk mounting holes for flush appearance with color matching Phillips posi-drive screws * Soft White Options * SCB41 - 4-way air pattern * SCB31 - 3-way air pattern * SCB41 O or SCB31 O - steel lever operated opposed blade damper * SCB42 or SCB32 - no damper * Tamper proof screws * Standard Color

Designer Color or Plated Metal Finish available on this product

2" 3 Hour Vertical Mount Fire Door 2561-30X26 Step Down Ceiling Diffuser Ceiling opening must be 4”h3. 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 *