Product Description Barbed Tap Connector Connect all your Irrigation pipe onto the barb fitting and screw the cap onto your outside 3/4″ tap. For use with all LDPE Pipe Working Pressure 4 Bar. All Diameters correspond to the outside of standard thin wall Polyethylene pipe. All 3/4″ Female Connection on to the tap and Rubber Seal. 4 Sizes Available; 6mm 12mm 16mm 20mm