ITEM NAME:Heavy Duty 316 Stainless Steel Straight Gas Fuel Tank Vent Through Hull Scupper Description: Heavy duty cast 316 stainless steel material, surface polishing, bright and with good flatness. Maximum corrosion resistance and durability in the saltwater environment. Fits for 5/8" inside diameter hose. Complete with mounting gasket and stainless steel mesh spark arrestor. Suitable for marine, ships, yachts, high-speed rail bus cabin,cabin ventilation etc. Specification: Material: 316 stainless steel Total Length: 77mm/3.03inch Inner Diameter: 16mm/0.63inch, Outer diameter: 25mm/0.98inch Package Includes: 1 Piece Fuel Tank Vent Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Color may be slightly different from the pictures because of different screen and light. Please kindly understand. SKU: DMO0000114767025699.Heavy duty cast 316 stainless steel material, surface polishing, bright and with good flatness. Material: 316 stainless steel. 1 Piece Fuel Tank Vent. Color may be slightly different from the pictures because of different screen and light.