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•Overall size showing on the surface is 12-1/2' wide x 13' high with a 6' hood and a 3-3/8' long attachment collar for 8' round ductwork (NOT for use with dryer venting) •Designed for use with make-up air inlet applications (no backdraft damper) •Wall cap is made of 22 gauge CRCQ steel construction with a .025 natural aluminum finish for durability and long life •Sold as 1 to a carton
Broan-NuTone® 643FA Fresh Air Inlet Wall Cap, 6 in L, 12-1/2 in W, Aluminum, Natural