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RADWELL VERIFIED SUBSTITUTE 8-4 FBZ-SS-SUB 316SS, Double Ferrule, Male Connector, 1/2-1/4 (Tube OD - Male NPT), Substitute for Parker 8-4 FBZ-SS: Amazon.com: Industrial & Scientific
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Parker - Compression Tube Connector: 1/4″ Thread, Compression x MNPT - 03560497 - MSC Industrial Supply
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Item # 4-4 FHOA, NPT Thread to SAE Straight Thread Adapter for fractional tube On Parker Hannifin Instrumentation Products Div.
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