Nylon push connect male adaptor, 3/8 in. OD Push Connect x 3/8 in. MIP zero-leak connections. Used to connect to copper, PEX and other good quality plastic tubing with no tools or inserts required. Can be used with hot and cold water, air, vacuum and non-volatile liquids and is rated for 150 psi at 70°F and 60 psi at 140°F. No lead certified.