What is This? The barb hose fitting connector is commonly used to connect lines for air, water, fuel and gas in a quick and simple way.What will I get? ColorMaterialFitting ShapeFemale Thread SizeBarb Outer DiameterBarb LengthOverall SizeHose Clamp Inner DiameterPackage ContentIs there any advantages of the product? Made of 304 stainless steel, with high strength and corrosion resistance.How to use it? The barb end creates a tight seal on the flexible and semi-rigid tubes when used with a pipe clamp.What should I notice? Before ordering, please confirm the right size.