Our 72 Series ISO B Interchange Quick Disconnect dimensional and performance requirements conform to ISO 7241-1 Series B and are interchangeable with other manufacturers offering ISO Series B couplings. These specifications detail the testing, performance and dimensions of the nipple. This is to enable interchangeability with couplings produced by other manufacturers who meet the same standard. Snap-tite's 72 Series features superior working pressures, flow characteristics, and safety factors making the 72 Series the premier ISO Series B interchange. Also refered to as: ISO B Coupling, General Purpose Coupling, Hose Coupling, Quick Release Coupling. Interchanges with Aeroquip FD45, Parker 60, Safeway 101/015, Faster HNV Couplings. Plating conforms with ROHS and WEEE European Union Directives.