Liquid filter cartridges’ using life is different depending on different material.
With the longer using time, the liquid filter cartridges will get absorption saturation, then the impurities will jam the liquid filter cartridges.
So, generally,
for PP filter cartridges, you need to replace the pp filter cartridges every 3 months.
For active carbon cartridges, you need to replace them every 6 months.
For ceramic filter cartridges, you need to replace them every 10-12 months. If the ceramic filter cartridges are with top quality, its using life is up to 3-5 years, or longer.
