2" Round 3 Hour Vertical Fire Door 2565-28 past 12 months 1” rim size (2” larger

1” rim size (2” larger than nominal duct size / order size)

115T Series Submittal

Square or rectangular for vertical mount only

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2" Round 3 Hour Vertical Fire Door 2565-28 past 12 months 1” rim size (2” largerh3. 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 *