75G RO water purifier with 5 stage

75GPD Household RO water purifier with dust capFive Stages: PP+UDF+CTO+RO+T33Maintenance :Replace cartridges regularly to maintenance water quality .Make sure each filter works effectively and guaranteewater quality to pass standard .If cartridges are changed regularly ,pure water machine users can enjoy highquality pure water permanently .Cartridge replacement period depends on the source water quality and theconsumption of pure water .Following are the suggested replacement period of each filter on the basis that thesource water is city running water.First stage filter :3 to 6 monthsSecond stage filter :4-9 monthsThird stage filter(RO Membrane ) :5-10 monthsFourth stage filter : 12-24 monthsCartridge replacement period depends on the pure water consumption and the source water quality .If adoptsafety replacement frequency mentioned above, the pure water quality can be guaranteed .Therefore abovesuggestions are for reference only .RO membrane flush :During the source of pure water producing ,RO membrane surface will be begrimed withimpurity and germ .Therefore water quality will drop .So regular RO membrane washing is needed .you can login our websided:www.sz-tswater.com to know more about our product