Thereplacement filter set for the PureGen RO5-35, ERO 535, ERO-550, and ERO-600 Reverse Osmosis Systems includes:

(1)10 GAC Inline
(2)10 Micron Carbon Filter
(1) 5 Micron Sediment Cartridge

For highest quality of water, this filter set should be replaced once per year. The replacement membrane for the PureGen RO systems should be changed one time every four years.