Product Description
This residential reverse osmosis membrane Filter is Stage 3 in the Modern PROQ4-50 system.
The membrane filter is 12" in length and it is capable of producing 50 GPD of pure water.
To be replaced every 2-3 years depending on total dissolved solids (TDS) in the supply water. If TDS is less than 180 mg/L, replace every 3 years. If TDS is 180-250 mg/L, replace every 2 years.