1/4" QC Inline check valve. Popoff pressure 1 psi. Single O-ring collet design. Only $3.25
1/4" Tube Inline RO Check Valve
Polypropylene 1/4" tube inline check valve. Install between RO housing permeate port and "T" to storage tank to protect the RO membrane from excessive back pressure. Popoff pressure is 1 psi.Single O-ring collet design with outstanding leak resistance.
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