This our replacement filter set forWatts/FlowmaticFMRO5G, FMRO5GP, FMRO5J, and FMRO5-C reverse osmosis systems. It’s recommend that with most reverse osmosis filter sets they should be changed once per year. If your water quality is low, your filterswillget dirty and should be replaced yearly or sooner in order to keep your membrane working properly and keep cleaning contaminants out of your drinking water.

The membrane is not included in this set, but if you need you can add it to your order by selecting it. It’s recommendedyou change your membraneevery 3 years or sooner if your water quality is poor in order to keep your drinking water its cleanest.

A sanitizer kit is also available as an add-on with this Watts Flowmatic RO filter set. When you change your filters you should sanitize your systems before replacing them, to help keep the system clear of any harmful bacteria.

Filter set includes:

The set does include:(1)5 Micron Sediment(2) 10 Micron Carbon Block(1) 10″ Inline GACThe membrane is not included in the set. If you are needing the membrane as well, keep in mind, it only needs changed every 3-4 years.Membrane is not included in this set, you change membrane every 3 years