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Multi-Pure shower filter is NSF-certified
The Multi-Pure Shower Filter includes Crystalline Quartz technology in its media for an energized shower experience. These specially-cured crystals act upon the water to create a softer, more energized shower “feel” and improve both lathering and sudsing. Multi-Pure’s Shower Filter is specifically engineered for efficiency and performance. Its unique filter design provides the best shower experience available for you and your family. The Multi-Pure shower filter has been tested according to NSF/ANSI 177 for reduction of free available chlorine. The concentration of free available chlorine in water entering the system was reduced to a concentration less than or equal to the permissible limit for water leaving the system, as specified in NSF/ANSI 177. Multi-Pure offers a number of shower heads for the shower filter. These are water delivery mechanisms only. They are not performance tested or certified by NSF. Only the filters are certified. The filter rated capacity is 25,000 gallons. How the filter works Free Chlorine - The chlorine remaining in the water after it has combined with any harmful bacteria is the free chlorine that the MultiPure Shower Filter reduces. No KDF or carbon shower filter can reduce 100% of the free chlorine. When a municipality injects both chlorine and ammonia simultaneously into the water supply, it produces chloramine. Chloramine may reduce the free chlorine’s ability to combine with organic matter in the water that produces potentially harmful trihalomethanes, THMs.  KDF 55 There are 15 ounces (466 grams) of KDF media in each Multi-Pure Shower Filter cartridge. As chlorinated water flows through the filter cartridge, the two dissimilar metals in KDF (copper and zinc) create a galvanic or electrolytic reaction which causes the two chlorine ions to combine with a zinc ion to form zinc chloride. KDF does not hold the chlorine; it changes chlorine from an element to a harmless compound, which flushes out of the filter. KDF is a non-toxic granular filter media which is produced within the regulations of “The Drinking Water Act” (PL 99-399 of June 19, 1986). The Shower Filter is not intended as a drinking water filter. Crystalline Quartz
Multi-Pure’s shower filter utilizes specially treated virgin quartz to ‘energize’ the shower experience by reducing the surface tension of the water. This increases the lathering capacity of your soap and shampoo. Quartz does not soften water but gives the water a lighter ‘feel,’ similar to the feeling of softened water. The natural crystals come directly from two North American high-energy crystal mines.
When to change your cartridge
The Shower Filter cartridge (Model No. SFFI) should reduce free chlorine to meet NSF/ANSI Standard 177 for a period of 6 to 7 months for the average family of four. Chlorine levels vary from city to city. If you live in an area where the source water contains high levels of suspended solids or where scale buildup in pipes is excessive, you may experience an early reduction in water flow. This may be an indication that you need to replace the cartridge more frequently than the recommended every 6 to 7 months.
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