Feature 1Wide Application: This vented loop is replacement for ship, yacht, and motorhome. Make sure the loop size fits the width. 2Prevent Siphoning: The stainless steel anti siphon loop valve can effectively prevent water from siphoning from the pipeline loop. 3High Strength Material: The loop is made of 316 stainless steel, and it is rustproof and can be used stably for a long time in a humid and hot environment. 4Reliable and Safe: Professional manufacturing, marine vented loop has high performance, strong reliability, making sure safety use. 5Simple Operation: This loop is easy and convenient to install and remove. When you need to change the new loop, only directly replace the damaged one.Item Type:Vented LoopMaterial: 316 stainless steelTube Diameter: 38mm / 1.5inFixed Hole: 2Fixed Hole Diameter: 7mm / 0.3inApplication:An essential safety component on all inlet and discharge plumbing of toilets installed below the waterline.Fitment:Replacement for ship, yacht, motorhome .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x 38mm Vented Loop