Other Company water filters required whole house water filter should be changed every three to six months. But the Nano water filter system does not need filter change because it is a self-cleaning water filter which does not require any cartridge change, it does not require electricity and no chemical use.
Different Types Of Water Filter Cartridge Should Be Replaced - Depends on Capacity and Family usage.
Activated carbon filter - For most standard capacity activated carbon filter, it should be replaced at least once every year.
Reverse Osmosis - Reverse Osmosis membrane filter can last up to 3 years due to its self-wash mechanism.
Sediment Water Filter - Sediment filter like Polypropylene should be replaced more frequently, typically from 3 to 12 months depending on usage.
Nano Water Filter - Self Cleaning Water Filter , Easy To Clean, Cartridge Change Not Required, Zero Electricity, No Chemical