Automatic Shut-off Valve w Quick-Connect Fittings which connect and disconnect without tools.
This a replacement part for a standard Reverse Osmosis (RO) System. All tube connections are 1/4″ with “in” and “out” labeled on the top.
This valve shuts off the feed water going into an RO System when the pressure on the tank side reaches 2/3 that of the feed pressure.