The Silver Filter Company Ltd.
The Republic of Yemen
Household water treatment methods and products available in local market.
Locally sourced clay and sawdust are processed then mixed with water, pressed into the filter shape, fired to a ceramic state, flow rate tested to ensure production consistency and coated with silver nitrate solution.
Users can obtain Silver Filters at retail locations or from distributing organizations.
Silver Filters consist of a porous 10 L capacity ceramic filtering element that suspends in a 30-liter plastic or ceramic receptacle that stores and dispenses filtered water. Flow rate is 1.5-3.0 liters per hour when full.
To rejuvenate flow rate when filters clog, users scrub ceramic filtering element with a brush.
Available in country: tap for dispensing water, safe storage container, ceramic filtering element.
Until it breaks; ~2 years
Performance targets: removes bacteria, parasites, turbidity.
Field evaluation concluded filters drastically improve drinking water quality, acceptance is around 96%, significantly reduce family health expenditures related to water-borne diseases, and reduced diarrhea incidence by up to 77% over a 6 month period.
Pre-filter or settle very turbid water (> 5NTU).
In context photographs (0)
You can use the form below to contribute a photo of this product.
In context files & documents (0)
Feedback from users, customers & distributors
Please let us know your experience in using this product through comments below.