Midland Metal 18081LFB Reducing Union, 1/2-in Compression x 3/8-in Compression, Brass

Midland Metal Reducing Union, Connection Size 1: 1/2 in, Connection Type 1: Compression, Connection Size 2: 3/8 in, Connection Type 2: Compression, Lead-Free Brass, 11/16-20 x 9/16-24 Thread, For Use With: Aluminum, Copper or Plastic Tubing, -40 to 250 deg F