TL TOOLEGIN 1/2 NPT Male x 3/8 NPT Female Brass

JMF 3/8 in. Male x 1/2 in. Dia. Female Brass Adapter

TL TOOLEGIN 3/8 NPT Male x 1/4 NPT Female Brass

Hooshing 2PCS Brass Pipe Fitting 3/4 NPT Female to 1/2 NPT Male

Beduan Stainless Steel Reducer Hex Bushing, 1 Male NPT to 1/2

Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability Working Pressure : Maximum operating pressure of 1,200

1 Piece 1/4 NPT Male x 1/2 NPT Female Pressure Gauge Reducer Adapter Brass Pipe Fitting Adapter

HongBoW Hardware 3pcs 1/2inch NPT Male x 1/4inch NPT Female Brass Pipe Fitting Hex Reducing Bushing Brass Reducer, Brass Bushing 1/2 MNPT x 1/4 FNPT : Industrial & Scientific

Legines NPT Bushing 1/2 Male x 3/8 Female Reducing

KOOTANS 4-Pack Brass Pipe Fitting, 1/4 NPT Female to

TAISHER 2PCS Brass Pipe Fitting