This our replacement filter set of Nelsen NRO4-50 Filters. These reverse osmosis filter sets should be changed every year. Your water quality is a big factor, if it's lower, these filters can get dirty, faster. If that happens these should be replaced in order to keep your membrane working properly, and keep cleaning contaminants out of your drinking water.
A sanitizer kit is also available as an add-on. 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:
(1) 5 Micron Sediment Cartridge Filter
(1) 10 Micron Carbon Block Cartridge Filter
(1) 10" Inline GAC Cartridge 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