This replacement filter set is for the Watts/FlowmaticFMRO4J& FMRO4GReverse Osmosis systems.Filters should be replaced every 12 months.

Filter set includes:

(1)5 Micron Sediment Cartridge Filter
(1) 10 Micron Carbon Block Cartridge Filter
(1) 10″ Inline GACCartridge Filter (1/4″ Female with 2-3/8″ fittings and 2-1/4″ Fittings)

Set should be changed once per year.

Membrane is not included in this set, you change membrane every 3 years