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Parker C Series Stainless Steel 316 Check Valve, 5 psi Cracking Pressure, 3/4" NPT Male: Industrial Check Valves: Amazon.com: Industrial & Scientific
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Parker C Series Stainless Steel 316 Check Valve, 10 psi Cracking Pressure, 1/8" NPT Female: Industrial Check Valves: Amazon.com: Industrial & Scientific
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