Check the listing for details. 5pcs Plastic Hose Barb Fitting, 1/2" Barbed Hose Pipe Fitting Adapter, Clear. Condition: New. Listed at 14.04 USD. What is this?These plastic hose barb fittings are suitable for connecting air, gas, water, and liquid fuel lines, as well as pump adapters. Plastic hose barbed fitting are widely used in aquarium air pumps, home brewing equipment, drip irrigation systems, low-pressure fuel lines in small engines, and automotive fluid transfer applications. Barbed hose fittings are also suitable for laboratory equipment piping and general household plumbing maintenance.What will I get?Hose Barb FittingColor: ClearMaterial: PPSize:Inner Diameter: 11mm/0.43inchOuter Diameter: 12.7mm/0.5inchTotal Length: 50mm/1.97inchIn the package of: 5Pcs x Hose Barb Fitting Are there any advantages of the product?This hose barb fitting is made of PP, a material with excellent flexibility and structural integrity.