Check the listing for details. 10 pack PVC Slip x Slip Couplers 1 1/2". Condition: New, Made in United States. Listed at 22.95 USD. The PVC Slip x Slip Coupler is the fundamental building block for any PVC irrigation system. Designed with two female socket ends, this fitting connects two pieces of Schedule 40 PVC pipe of the same size in a straight line. Whether you are running a new main water line to your garden or repairing a cracked section of pipe, this coupler ensures a seamless, high-flow connection. Reliability is critical in underground applications, which is why professionals trust these essential irrigation fittings. Unlike compression fittings that can slip under pressure spikes, a solvent-welded PVC coupler effectively turns two pipes into one continuous unit, offering superior durability against soil shifting and water hammer in your irrigation system.