Brass Adapter 1/8 NPT Male to 1/4 NPT Male | Car Builder - Kit & Classic Car Parts Specialist
Aeroflow NPT Pipe Reducer 1/4" to 1/8", AF912-04-02S | Supercheap Auto
Acetylene/Fuel Gas Adapter - A Size Male to 1/8 NPT Male Acetylene/Fuel Gas Adapter "A" Male-1/8" Male | Arc-Zone.com [WES-133 (B-7)] - $3.00 : Arc-Zone.com, Welding Accessories Store
1/8 NPT Female to M10x1.0 Male Pressure Gauge Adapter, Brass - Pegasus Auto Racing Supplies
Amazon.com: Legines Brass Pipe Fitting, NPT Adapter 1/4" Female to 1/8" Male Reducing Adaptor 1200psi High Pressure (Pack of 2) : Industrial & Scientific
Autometer 1/8 NPT To M12 X 1.5 Metric Adapter - AU2277 | Supercheap Auto
KOOTANS 1/4 NPT x 1/8 NPT Male Solid Brass Nipples, Heavy Brass Pipe Adapter