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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
To adjust diffuser
listed Fire-Resistance Diffuser * TVB - Thermal Vapor Blanket * Square Collar
Designer Color or Plated Metal Finish available on this product
CB10 Engineering/Performance Data
2" 3 Hour Vertical Mount Fire Door 2561-36X22 Residential Registers & Grilles To adjust diffuserh3. 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 *
