Push-in Shut Off Valve Kit for Water Filtration System:
The Premier Shut Off Valve for Reverse Osmosis Systems.
Automatically Turn Your Home R.O. System On and Off According to The Tank Level. These Diaphragm Valves Work in Conjunction with a Pre-Pressurized Tank to Automatically Turn The R.O. System Off When The Tank Fulled, Then Back On When The Water Level in Tank Drops Below A Certain Pre-Set Point.