Max adapter for supply valves. 1/2" Female compression swivel nut connects directly to shutoff valve. Can be used when installing an icemaker, dishwasher, under-the-counter water filter, hot water dispenser, or any other appliance that uses 1/4" or 3/8" O.D. copper or plastic tubing. 1 per hanging clamshell pack. Import. Manufactured to include no more than 0.25% weighted average lead content on wetted surfaces.