Marine-grade 316 stainless steel 90° fuel tank vent. Corrosion-resistant, flush mount design. Easy cleaning & access 1 3/8-inch hole, it is designed to connect with 5/8-inch interior diameter hose. the tank detail sizes refer to the left picture Made of 316 corrosion-resistant Stainless Steel , Require a approx. Saltwater Corrosion Resistant Vent 316 SS Cast Flush Mount 90 Degree Fuel Vent – White Water Marine Hardware 316 Stainless Steel Boat Fuel Vent Complete with mounting gasket and stainless steel mesh spark arrestor. For marine, caravan, truck, automotive applications. Color:Silver Material:316 Grade... Adopt fine grinding mirror polishing, precise, bright and with good flatness. Specifications: Condition: 100% Brand New Material: 316 Stainless Steel Color: Silver Total Size: approx., 65MM x 46MM(2., 56 x 1., 8in)(L x W) Hole O., D., : approx., 16MM/(5/8) Hole I., D., : approx. NRC&XRC Marine Grade 316 Stainless Steel Polished Boat Yacht 90Degree Deck Hand Tee For 1 1 4 Inch Pipe Easy to install, no drilling or welding required.