4 x 8 Round Access Doors (For Round Duct)
DRI847DD 22135 IRAD48-7 4X8-7RD – fits duct size 6″ to 7″ Round Pipe 10 Pcs./Box
22137 IRAD48-11 4X8-11RD – fits duct size 8″ to 11″ Round Pipe 10 Pcs./Box
22138 IRAD48-14 4X8-14RD – fits duct size 12″ to 14″ Round Pipe 10 Pcs./Box
8 x 12 Round Access Doors (For Round Duct)
22144 IRAD812-14 8X12-14RD – fits duct size 12″ to 14″ Round Pipe 10 Pcs./Box
22146 IRAD812-18 8X12-18RD – fits duct size 15″ to 18″ Round Pipe 10 Pcs./Box
22148 IRAD812-22 8X12-22RD – fits duct size 19″ to 22″ Round Pipe 10 Pcs./Box
12 x 16 Round Access Doors (For Round Duct)
22151 IRAD1216-18 12X16-18RD – fits duct size 16″ to 18″ Round Pipe 5 Pcs./Box
22154 IRAD1216-24 12X16-24RD – fits duct size 20″ to 24″ Round Pipe 5 Pcs./Box
22156 IRAD1216-30 12X16-30RD – fits duct size 26″ to 30″ Round Pipe 5 Pcs./Box
22157 IRAD1216-36 12X16-36RD – fits duct size 32″ to 36″ Round Pipe 5 Pcs./Box
