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.
20.00-70.00 USD; 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.
Is this filter designed for individual, household, or community use?
Manufacturer-specified flow rate (L/hr)
Laboratory-evaluated log scale removal rate of bacteria
Does the system use microfiltration, ultrafiltration, nanofiltration, or reverse osmosis?
Laboratory-evaluated log scale removal rate of viruses
Laboratory-evaluated log scale removal rate of protozoa
Reduction levels of heavy metals and/or arsenic through this treatment system
Manufacturer-specified maximum level of inlet turbidity (NTU)
Range or value of outlet turbidity levels (NTU)
Description of materials of construction
Is there safe water storage integrated into this product?
What is the total number of liters that is recommended can be filtered?
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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