Most Domestic Line Cintropur residential filters support water flow rates of 1 to 6.5 m³. It all depends on 3 factors: the load in the water, the filtration threshold of the filter sleeve, and the activated carbon.
Our post will help you on this subject. It will help you set up a filtration chain in perfect harmony with the type of water to be purified. By using the activated carbon of the Carbolite brand, you will have a better result. In fact, one post explains why this activated carbon is really different.
Very important tips: when there is frost, protect the filter medias. To prevent algae growth, install a black OPAQUE bowl.