Abstract: A water treatment system comprising filter and filter head is provided. The filter comprises: a cartridge; a cap attached to the cartridge; the cartridge comprises: first compartment comprising first water-treating medium/s; second compartment comprising second water-treating medium/s; the cap comprises a selector. The filter further comprises bypass/es extending from the selector and throughout first compartment and into second compartment, each of the bypass/es having an inlet and an outlet. In first state all water entering the filter passes through the first compartment; in second state all water entering the filter bypasses first compartment and passes through second compartment. In intermediate state/s first part of water enters the filter passing through the first compartment and a second part of water enters the filter bypassing the first compartment and passes through the second compartment. The filter head is reversibly attachable to the cap.

Abstract: A water treatment system comprising filter and filter head is provided. The filter comprises: a cartridge; a cap attached to the cartridge; the cartridge comprises: first compartment comprising first water-treating medium/s; second compartment comprising second water-treating medium/s; the cap comprises a selector. The filter further comprises bypass/es extending from the selector and throughout first compartment and into second compartment, each of the bypass/es having an inlet and an outlet. In first state all water entering the filter passes through the first compartment; in second state all water entering the filter bypasses first compartment and passes through second compartment. In intermediate state/s first part of water enters the filter passing through the first compartment and a second part of water enters the filter bypassing the first compartment and passes through the second compartment. The filter head is reversibly attachable to the cap.