Midland Metal 700066-0604 Female Couplings, Lead-Free Compression, Lf 766 3/8 x 1/4 Fe Coup, Lead-Free Fittings

AMC® Coupling, Connection Size 1: 3/8 in, Connection Type 1: Compression, Connection Size 2: 1/4 in, Connection Type 2: FNPTF, Lead-Free Brass, 9/16-24 x 1/4-18 Thread, For Use With: Copper, Aluminum or Plastic Tubing, -40 to 250 deg F