Quartz sand/activated carbon/softening resinIt is recommended to replace it every 1 to 2 years (depending on the quality of the raw water and the frequency of backwashing).
Security filter PPR/PP filter elementIt is recommended to replace the pressure difference every 1 to 3 months > 0.1MPaReplace it at that time).
RO reverse osmosis membrane moduleThe service life under normal maintenance is 2 to 4 years.
