Type of product: Barbed style socket / coupler / coupling / connector / slip Manufacturer: Waterway Most common size reference: 3/8 inch barb Overall outer dimensions approx: Length: 40mm Depth / Diameter: 10mm Internal diameter size approx: 6mm Commonly used with: 3/8 inch vinyl pipe Additional notes: The vinyl pipe pushes over the out side of the pipe best assembled with glue.