Round Duct Access Doors SKU SAD10 Please select DOOR ON 10" DRU8411GA->SAD8118X12 DOOR ON 12-14"PIPE #221444X8 DOOR FOR 12-14"PIPE #221388X12 DOOR FOR 15-18" #2214612X16 DOOR FOR 20-24" #22154DOOR ON 28" RD. #DRU161228GA 12 x 16 DOOR ON 32" RD #22157DOOR ON 5-6" ROUND ->USE SAD674x8 DOOR FITS 6-7" PIPE #221354x8 DOOR FOR 8-11" PIPE #22137 Log in to view price