Check the listing for details. 3/4" PVC Insert Coupling (Insert x Insert) 1, 3, 5, or 10 Pack. Condition: New. Listed at 3.97 USD. 3/4" PVC Insert Coupling (Insert x Insert) 1, 3, 5, or 10 Pack Spears PVC Insert Fittings are designed for use with either ASTM D 2104 Schedule 40 or D 2239 SIDR pressure rated polyethylene pipe. Chemical and corrosion resistant, rigid PVC barbed inserts provide excellent grip with polyethylene materials. Spears Insert Fittings are manufactured from high quality PVC materials to meet or exceed the applicable requirements of ASTM D 2609, Standard Specification for Plastic Insert Fittings for Polyethylene (PE) Plastic Pipe Special Insert Fittings design uses built-in lock ring for easy connection without clamps to Polyethylene (PE) Plastic Pipe used with standard Insert Fittings Spears Insert Fittings are tested and Certified by the NSF International for use in potable water systems. 📦 Fast Shipping5 ⭐ Service💯% Valid Tracking and Delivery