Item No: 22-0535 Brand: JR ProductsMfg No: 31025Wt: 0.37UPC: 756815310253
5-3/4 Inch Cutout Diameter, 6-3/4 Inch Outside Diameter. For cord & fresh water access to your RV compartments . They are constructed of durable ABS for long life & will replace most units used in today's markets. It comes with rubber seal.