Item No: 22-0533 Brand: JR ProductsMfg No: 31005Wt: 0.33UPC: 756815310055
4.45 Inch Cutout Diameter, 5.12 Inch Outside Diameter. Use for cord & fresh water access in RV compartments. They are constructed of durable ABS for long life & will replace most units used in today's markets. It includes rubber seal.