Acudor RD-5090 Duct Access Door Access Door for round duct • Access door for round duct • Pull and catch lock system • Continuous piano hinge Acudor RD-5090 Duct Access Door Description The Acudor RD-5090 is designed to provide convenient, economical access to round ducts. The pull and catch lock system, along with the gasketing on the door assures a tight seal without obstruction in the air system. The steel continuous piano hinge provides for easy installation. Acudor RD-5090 Duct Access Door Specifications Access Door Material: 16 gage galvanized steel. Access Door Hinge: Continuous steel piano hinge. Access Door Gasketing: 1/8" thick by 1" wide closed cell neoprene. Access Door Latch: Plated steel pull and catch. Access Door Finish: Mill finish. * Dimensions are W x H