John Guest 1/4" QC inline check valve. 0.3 psi popoff pressure. Dual o-ring design. Only $8.87
John Guest 1/4" Tube Inline RO Check Valve
John Guest 1/4" tube inline check valve. Polypropylene construction with stainless steel check valve. Double o-ring design for leak free performance. Directional flow arrow. Minimal pressure drop with popoff pressure of 0.3 psi. Used to prevent back flow and protect components against back pressure.
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