What is this?The adapter fitting is designed to connect pipes or fittings with different ends, diameters and materials. Widely applied for cold-water pressure distribution systems including irrigation, pool, spa, and other water applications.What will I get?Color: BlackMaterial: PlasticFitting Shape: StraightMale Thread Size: 3/8 NPTBarb Outer Diameter: 7.9mm / 5/16 inchOverall Dimension: 42x20mm / 1.65x0.79 inch (L*Hex W)Package Content: 1 x Pipe JointAre there any advantages of the product?High strength, weather resistance, lightweight, wear resistance, corrosion resistance, clear thread, easy to use.How to use it?This 2-way hexagonal tube fitting is commonly used to connect pipes as air, water, fuel in a quick and simple way.What should I notice?Please confirm the correct size before ordering. Sealing tape is suggested for connecting with a better effect (not included here).