The Shur-Lock™ II coupling system is a patented design for high integrity joining of hope and PVC conduits. The body of the Shur-Lock™II is manufactured from durable high density polyethylene. The external band clamps and locking rings are made from corrosion resistant stainless steel. The o-ring joints have been air pressure tested to hold over 130 psi and the water sealing capability withstands head pressures of greater than 20 ft.