Uponor ProPEX® LF brass valves for residential applications consist of 1/2 in ProPEX® chrome-plated, full port, point-of-use stop valves, ice maker valves and in-line (drain and non-drain) ProPEX® x ProPEX®, ProPEX® x sweat and ProPEX® x MPT ball valves 1/2 to 3/4 in. Uponor also offers LF brass commercial ball valves in sizes 1/2 in to 2 in, full port with optional stem extensions.