Midland Metal 700088-0606 Tank Connector, 3/8 in Compression x 3/8 in MIP, Brass

Tank Connector, Connection Size 1: 3/8-in, Connection Type 1: Compression, Connection Size 2: 3/8-in, Connection Type 2: Male NPTF, Lead-Free Brass, For Use With: Aluminum, Copper, or Plastic Tubing, -40 to 250 deg F