Description:1.Barb hose fitting has a male Pipe Thread (G) thread on one end and a barbed insert on the other .for connection to polyethylene (PE) pipe in a straight run. 2.The adapter's barbed fitting creates a tight seal on flexible PE pipe when used with a hose clamp (sold separately).3.barb tube fitting made of gray polyvinyl chloride (PVC) plastic ,have Alkali resistance, high temperature resistance, corrosion resistance, strong anti-aging, high strength, no break.4.An O-ring is delivered to the end of each joint thread, eliminating the need for a sealant or raw tape, and screwing it up with the corresponding female thread.5.-30 degree to 100 degree F temperature range.6.Barb size is hose inner diameter. Specification:Product Name: Barb Hose FittingWeight: 12gColor: GrayMaterial: PVCSize: 6mm Barb x 1/8" G MaleMale Thread Size: 1/8" GBarb Length: 19mm / 0.75-inchTotal Size: 33.5mm x 14mm /1.32-inch x 0.55-inch (L*D) Package Content : 5 x Barb Hose Fitting Note: Before ordering, please confirm the right size!