GRAINGER APPROVED Reducing Adapter: Brass, 1/4 in x 1/8 in Pipe Size, Female NPT x Male NPT, 1 1/16 in Overall Lg - 46M456|706120-0402 - Grainger
![BSP NPT Adapter 1/8" Male BSPT to 1/4" Female NPT Brass Pipe Fitting Euro to US Pressure Gauge Adapter|brass pipe fitting|pipe fittingsbrass pipe adapters - AliExpress BSP NPT Adapter 1/8" Male BSPT to 1/4" Female NPT Brass Pipe Fitting Euro to US Pressure Gauge Adapter|brass pipe fitting|pipe fittingsbrass pipe adapters - AliExpress](https://ae01.alicdn.com/kf/Haa602735f7d146799753de61ce97e8e33/BSP-NPT-Adapter-1-8-Male-BSPT-to-1-4-Female-NPT-Brass-Pipe-Fitting-Euro.jpg)
BSP NPT Adapter 1/8" Male BSPT to 1/4" Female NPT Brass Pipe Fitting Euro to US Pressure Gauge Adapter|brass pipe fitting|pipe fittingsbrass pipe adapters - AliExpress
PARKER Reducing Adapter: 316 Stainless Steel, 1/4 in x 1/8 in Fitting Pipe Size, Female NPT x Male NPT - 1DFX8|4-2 RA-SS - Grainger
![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 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](https://m.media-amazon.com/images/I/51XE2yjYF8L._AC_SL1000_.jpg)