Generic 4 Stage Reverse Osmosis

Replacement Filters, Membrane & Parts for 4 Stage Reverse Osmosis System

Recommended Filter Change Time:

1- Sediment Pre Filter 6-12 months
1- Carbon Block Prefilter 10-12 months (some models used a GAC filter in the 2nd pre filter, we recommend a Carbon Block to avoid Channeling)
1- Post Filter 10-12 months
1- Reverse Osmosis Membrane 18-36 months or as needed many last more than 3-5 years depending on water quality and changing of pre filters