Uponor PEX pipe and ProPEX expansion fittings now are available in 2½-in. and 3-in. sizes. The pipe offering, which includes Uponor AquaPEX for potable-plumbing applications and Wirsbo hePEX oxygen-barrier pipe for hydronic heating and cooling applications, is available in various coil lengths and straight lengths. The ProPEX ASTM F1960 expansion-fitting offering includes a complete line of tees, elbows, couplings, and transition fittings, as well as a flange adapter kit.