Stéfani Filtro Flex
Brazilian-made Stéfani Flex by Cerâmica Stéfani is a household silver-impregnated water filter with 6 liters capacity and one or two Stéfani filter candles.
Brazilian-made Filtro Flex by Cerâmica Stéfani is a household silver-impregnated water filter with 6 liters capacity and one or two Stéfani Sterilizing filter candles. The filter candles contain microporous ceramic wall for particles removal, granular activated carbon for chlorine, unpleasant tastes and odor removal, and colloidal silver for disinfection. The Stéfani filter candles are also compatible with all marketed gravity water filters in Brazil and many others worldwide according to the Path C1 Common Interface.
Brazil, Latin America, Africa
Goal 6: Clean water and sanitation
Brazilian households, household users in other Latin American countries
Flex Water Filter is manufactured in Brazil from food-safe plastics. It ships disassembled and the user can follow the video tutorial for how to assemble it.
Flex Water Filter is a trademarked property of Cerâmica Stéfani.
6.2 million Stéfani Sterilizing filter cartridges and 170,000 Flex Water Filter units have been sold since 2010.Interview with Representative
How often/when should maintenance be performed?
The Stéfani Filtro Flex weighs 1 kg and is 46 cm tall by 24 cm in diameter. It has a capacity of 8L of safe water storage and consists of one or two filter candles with float valves for greater capacity.
Exploded view from the Instruction Manual – Stéfani Filters – English – 12-12-2017.
Users can purchase replacement Stéfani filter cartridges online for around $4 or from housewares stores.
The filter candles must be replaced after filtering 500 L each or after 6 months, whichever is sooner. The plastic filter housing can be used for many years with proper cleaning and keeping it out of sunlight.
The Stéfani filter cartridges remove all particles between ≥ 5 up to < 15 μm, ≥ 75% of free chlorine (in upgraded Sterilizing filter version), and 2 log reduction of E. coli. All Stéfani filter cartridges meet INMETRO(National Institute of Metrology, Quality and Technology – from Brazil) criteria for chemicals and particulate. Manufacturer provided documentation: Características dos filtros Stéfani – Inglês – 21-08-2017
No known safety risks.
Social Adoption of a Non-Conventional Technology for the Treatment of Water in Housing, Vereda El Motilón Pasto (Nariño)
Edwin Alfred Martínez Jaramillo and Nelson Orlando Narvaez Mora (2017)
Comparative Study of Homemade Filtration Systems for the Treatment of Safe Drinking Water
Andrea Pérez Vidal, Jaime Díaz Gómez, Ginna Paola González Rojas (2014)
Water quality testing post-filtration in a laboratory environment.
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