Broad line of fittings, manifolds, regulator, thermostatic and ball valves: A typical barb system offers the lowest material costCLAMP ring connections (see Installation Guide for details): The time saving clamp rings and tool offer reduced equipment cost, one tool clamps all sizes and the necessity to check each fitting ring with a go/no-go gauge is eliminatedCRIMP ring connections (see Installation Guide for details): Copper crimp rings and the heavy duty tool with interchangeable jaws does not require calibration and allows each joint to be checked with a go/no-go gauge