The PEX compression adapter from Aquatherm is made of polypropylene-random and lead-free brass. The adapter enables installers to transition between Aquatherm and PEX pipe in potable water and radiant systems. Manufactured to ASTM F1960, the adapter is available in 1/2-, 3/4- and 1-inch diameters. 801/805-6657; www.aquatherm.com.