Materials Plastic Country of Origin China In and Out Connections ¼” FNPT Operations This Valve allows water flow only in Single Direction and blocks the Reverse Direction. This NRV Straight Type Valve is for use on the pure water outlet port of the RO membrane housing and has a check valve/Non Return Valve to avoid water flowing back through it. Suitable for most of the reverse osmosis water system. Dimension Size Suitable for 1/4″ inch Tube.
