Filter pitcher Barrier Norma is a new generation filter. The filter module effectively and irreversibly traps active chlorine, heavy metals, oil products and many other hazardous impurities. Reliably purifying water from harmful substances, the Norma Barrier preserves its useful properties. The model is distinguished from other similar filters by a capacious jug and funnel, which allow you to purify more water at a time. Like any filter jug, the Norma Barrier does not require a connection to the water supply and can be used in any place convenient for you. All parts of the filter are made of high quality food grade plastic. Filter - jug removes chlorine, small particles, heavy metals, oil products and other harmful impurities. It slightly reduces the hardness of the water and, as such, is recommended for pre-cleaning soft water. The jug set includes one replaceable module. We recommend replacing the cartridges at least once a month. In emergencies, in case of emergency ingress of a large amount of harmful substances into the water, the cartridges should be changed more often. Cartridge resource: For 1 person: 90 days For 2 people: 60 days For 3 people: 40 days For 4 people. : 30 days. Do not expose the purified water to direct sunlight. Before using: - Rinse the jug and all its parts. - Place the cartridge in a container of water to release the air. - Screw the replacement cartridge into the filter funnel. - Pass at least 2 jugs before using. 60 days For 3 people: 40 days For 4 people: 30 days Attention! Do not expose the purified water to direct sunlight. Before using: - Rinse the jug and all its parts. - Place the cartridge in a container of water to release the air. - Screw the replacement cartridge into the filter funnel. - Pass at least 2 jugs before using. 60 days For 3 people: 40 days For 4 people: 30 days Attention! Do not expose the treated water to direct sunlight. Before using: - Rinse the jug and all its parts. - Place the cartridge in a container of water to release the air. - Screw the replacement cartridge into the filter funnel. - Pass at least 2 jugs before using.