Not sure which ro membrane to get for my system

[ret983]

I think i need the desal membrane that does 18 gallons each day and has a valve contol thing. Do you have such a thing?

[waterfilters]

We have just what you are looking for. The GE Desal Osmonics TFM-18-CV reverse osmosis membrane is the correct replacement water filter membrane. The Desal TFM-18-CV is an 18 gallon per day water filter membrane that has a control valve and flow control. This GE Desal Osmonics TFM-18-CV Reverse Osmosis membrane can be found here: http://www.waterfilters.net/GE-Desal...e_p_0-874.html