Protects against limescale deposits. Use: oThe polyphosphate anti-scale filter protects installations and equipment from limescale deposits. Washing machines, boilers, and heating systems will have optimal energy consumption, longer service life, and sanitary fixtures will maintain their shiny appearance. oThe filter is installed on the water supply to the equipment. Operating parameters: oPressure: 2 – 6 bar oWater temperature: 2 – 30°C Warning! oRecommended ONLY for cold water supply circuits. oNot recommended for drinking water. oDesigned to be installed in enclosures protected from frost, excessive temperatures, or direct sunlight. oFor increased efficiency, refill the filter when the polyphosphate level has dropped to half.