PARKER Reducing Adapter: 316 Stainless Steel, 3/8 in x 1/4 in Fitting Pipe Size, Female NPT x Male NPT - 1DFY1|6-4 RA-SS - Grainger
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Apex - 3/8 Socket Drive to 1/4 Hex Female Quick-Release Square-Drive to Hex Bit Adapter - 06699342 - MSC Industrial Supply
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Ideal Vacuum | Adapter 3/8 inch hose barb to 1/4 inch ID Male NPT, Stainless Steel, Vacuum Fittings Adapter, Swagelok, SS-6-HC-1-4
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1/8" 1/4" 3/8" 1/2" NPT Female To Male BSP Brass Pipe Fitting Connector Adapter For Pressure Gauge Air Gas Fuel Water|Pipe Fittings| - AliExpress
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