The RVK1A Broan Roof Ducting Kit is for roof ducting installation of exhaust fans with a 3 in. or 4 in. duct. The black steel roof cap features a built-in back draft damper and bird screen. Included is 8 ft. of 4 in. diameter flexible foil ducting that conforms to UL 181 Class 1 Air Connector requirements. For a 4 in. round duct, the kit also includes a 4 in. metal duct connector, 2 nylon zip ties and 4 mounting screws.

• 8 ft. of 4 in. 2-ply metallic laminate flexible duct which conforms to UL181 Class 1 air connector
• Compatible with Broan and NuTone brand products
• Designed to exhaust a fan through a slanted roof
• Not for use as dryer venting
• Model No. : RVK1A
  
• UPC No. : 026715157822
• Assembled Depth (in.)  12 in
  
• Assembled Width (in.)  12 in
  
• Product Depth (in.)  10.25
  
• Assembled Height (in.)  6 in
  
• Product Height (in.)  4.375