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Merit Brass - Pipe Reducer: 1/2 x 1/4″ Fitting, 304 Stainless Steel - 36900421 - MSC Industrial Supply
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Southland 1-1/2 in. x 1-1/4 in. Galvanized Malleable Iron MPT x FPT Hex Bushing Fitting 511-976HN - The Home Depot
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Amazon.com: Megairon 1/2" x 1/4" Male Threaded Reducing Nipple Fitting/ Adapter,Stainless Steel SS304 NPT Pipe Hex Reducer : Industrial & Scientific
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Amazon.com: 1/2"x1/4" Male Hex Nipple Threaded Reducer Connector Pipe Fitting/Adapter,Stainless Steel 304 NPT : Industrial & Scientific
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316 Stainless Steel, 1/2 in x 1/4 in Fitting Pipe Size, Reducing Bushing - 1DGE5|8-4 RB-SS - Grainger
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Push to Connect Nickel Plated Straight Plug-In Reducer 1/2" OD - 1/4" OD - Plug-In Reducers - Plastic Unions PTC - Composite PTC - Push In Fittings
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