Brass 1/8" NPT-F to 1/8" Tube Compression Fitting.
1/8 Tube Brass Compression Fittings
LTWFITTING Brass 1/4-Inch OD x 1/8-Inch Male NPT Compression Connector Fitting(Pack of 5), Pipe Fittings - Canada
Brass Adapter: 1/4 NPT-F to 1/8 NPT-M
Adapter 1/4 NPT-F to 1/8 NPT-M, Brass
Compression Fitting for Mechanical Boost Gauges that use 1/8 OD nylon –
Ferrule Set, 3/16 Compression, Brass - MHOxygen
Legines Brass Compression Tube Fitting, Union, 1/8 OD x 1/8 OD, Pack of 2 : Industrial & Scientific
1/4 Tube To 1/8 NPT Male Straight Compression Fitting – ProMeth
Oxygen Adapter - A Size to 1/8 NPT
JIC-4 (M) to 1/4 NPT-M, Brass - MHOxygen