FREE Shipping! O-ring for HF valve to tank adaptor connection and seal, for 1 EWS and CWL High Flow (EWS/CWL-1354-HF) water filtration units and EWS-1054-P.

FREE Shipping! O-ring for 1 DTV control valve to tank, for 1 EWS and CWL whole home water filtration units.

12 Quick Connect Advanced 50 gallon per day Reverse Osmosis Membrane for all RO3 and RO4 Reverse Osmosis Systems.

Valve O-ring for valve seal to tank

Valve with 4 ports found on the bracket for installation on all RO3 and RO4 systems (replaces old RSR valves found in the 2011 and older RU systems)