Spec Sheet Sandwich Access Door for grease duct or high-temperature applications. UL 1978 Listed Easy to install sandwich design with no special tools required Minimal penetration into the duct Dramatically reduces installation time No welding required Grease and liquid tight Meets NFPA 96 Standards Union made in the U.S.A. Holes line up easily with an adjustable fastening system Door is completely removable for easy cleaning Can be used with all types of duct wrap insulation systems UL Doors for Round Pipe – Black Iron DMDR10612ULBI 10×6 Rnd Black Iron Ult AD for 12″ Pipe DMDR12810ULBI 12×8 Round Black Iron Ult AD for 10″ Rnd DMDR12812ULBI 12×8 Round Black Iron Ult AD for 12″ Rnd DMDR12814ULBI 12×8 Rnd Black Iron Ult AD for 14″ Pipe DMDR12816ULBI 12×8 Rnd Black Iron Ult AD for 16″ Pipe DMDR12818ULBI 12×8 Rnd Black Iron Ult AD for 18″ Pipe DMDR12822ULBI 12×8 Rnd Black Iron Ult AD for 22″ Pipe DMDR161220ULBI 16X12 Rnd Black Iron Ult AD for 20″ Pipe DMDR161224ULBI 16×12 Rnd Black Iron Ult AD for 24″ Pipe DMDR161230ULBI 16X12 Rnd Black Iron Ult AD for 30″ Pipe Outer Plate for UL Round – Black Iron DMOPR106UL16BI 10×6 BI Outer Plate for Ult II Door Rd UL Doors for Round Pipe – Stainless DMDR12810ULS4 12×8 Round SS Ultimate AD for 10″ Pipe Outer Plate for UL Round – Stainless DMOPR128UL16S4 12×8 SS Outer Plate for Ult II Door Rd DMOPR128UL22S4 12×8 SS Outer Plate for Ult II Door Rd
