Usage Tips:[Threaded Pipe and Hose Connections] The threaded portion (1/2 Inch x 14 NPT) allows you to connect the adapter to a threaded pipe or fitting in your RV plumbing system. The swivel adapter allows for rotation or swiveling at the connection point. This swivel feature is useful for adjusting the angle of the hose or pipe connection without having to twist or turn the entire hose. It provides flexibility during installation and helps in achieving the desired alignment. [Leakage Resistant]: The NPT threading provides a secure and leak-resistant connection. elbow adapter to get a unleak connection [Quality Material]: made from high-quality nylon,which is durable and corrosion-resistant . This ensures longevity and prevents degradation over time.Maximal operating pressure 160 psi at 90 degrees. [Versatile Applications] the wingnut adapter fits for the water pump with 1/2 inch outlet, The threaded portion (1/2 Inch x 14 NPT) allows you to connect the adapter to a threaded pipe or fitting in your RV plumbing system. The barbed end (1/2 Inch Barb) is designed to accommodate a flexible hose. [Easy to Install]designed for easy and straightforward installation without any professional pluming skills. This can save time and effort during the setup of plumbing systems. Colour:White+Black Material:Plastic Package Contents: 2 x wing nut elbow adapter 2 x straight adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.