Tapp Global Design Inc. (previously named Twothirds Water)
The Tapp™ Filter is a self-cleaning hollow-fiber membrane filter to treat drinking water for personal use.
The Tapp™ Filter is produced by the Canadian company Tapp Global. It consists of a 0.2‐micron membrane filter cartridge, plastic tubing and a metal hook for hanging. A siphon effect is created using the filter’s built‐in pump mechanism, which also backwashes the membrane.
US 20.00-70.00; volume pricing available
Household water treatment methods and products available in local market.
Goal 6: Clean water and sanitation
International travellers, back-country hikers, emergencies, and disaster relief in developing countries
Manufactured in Canada with domestic and imported parts. Comprises of a 0.2-micron hollow-fiber filtration membrane from the medical industry. Constructed from food-grade, ultra durable, BPA free copolyester. See the Tapp brochure for more information.
Patent protected: US20140076792A1
Users can obtain the filters by on-line purchase from the manufacturer or locally established distributors.
How often/when should maintenance be performed?
Product Specifications: Weight: 108 g (3.8 oz); Dimensions: Ø4 cm x 15.2 cm (Ø1.6 in x 6 in); Pore size 0.2 microns; Flow rate up to 3 cups per minute (700 mL/min); Design life: 3 years.
The manufacturer or a local distributor can provide technical support.
According to the manufacturer, no replacement parts are needed.
3 years of regular usage and backwashing.
Performance Specifications Bacteria: over 99.9999% removal Protozoa: over 99.99% removal Viruses: typically 90-99%, but variable Particulates: removed Chemicals (e.g. salt): not removed
No known safety risks
Water storage container; safe water storage container; Camel Pak
Depends on local market regulations.
In the HIF Emergency Household Water Filter Challenge, filters were tested for ease-of-use, effectiveness, lifespan, robustness, and affordability and evaluated in a matrix for different disaster scenarios.
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