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Opposed Blade Damper
All steel parts with galvanized finish or zinc coating
1050 Series Submittal
To adjust diffuser
Designer Color or Plated Metal Finish available on this product
2" 3 Hour Vertical Mount Fire Door 2561-36X22 Residential Registers & Grilles Opposed Blade Damperh3. 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 *
US$ 147.50
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