MID-AMERICA FITTINGS LF66-106 Coupling, 5/8 in Compression x 3/8 in FIP, Brass
MID-AMERICA FITTINGS Coupling, Connection Size 1: 5/8 in, Connection Type 1: Compression, Connection Size 2: 3/8 in, Connection Type 2: FIP, Lead-Free Brass, 13/16-18 x 3/8-18 Thread, For Use With: Copper, Aluminum or Plastic Tubing, -40 to 250 deg F