Type of product: Barbed style socket / coupler / coupling / connector / slip Manufacturer: Waterway Most common size reference: 3/4 inch barb Overall outer dimensions approx: Length: 80mm Internal diameter size approx: 13mm Commonly used with: 3/4 inch vinyl pipe and 3/4 inch metal clips Additional notes: The vinyl pipe pushes over the out side of the pipe best assembled with glue then a metal clip to hold.