British Berkefeld Household Filter Kit

Target SDGs

Target Users (Target Impact Group)

Household, Community

Distributors / Implementing Organizations

British Berkefeld distributes the Household Filter kit via organizations such as UN Habitat and Lifewater

Competitive Landscape

Direct competitors include Katadyn Drip, Kohler Clarity Water Filter, Rainfresh MP4U Gravity Filter, Tulip Table Top Filter, and Nazava Water Filter.

Manufacturing/Building Method

Made in the UK by Doulton with these specifications: 2 BPA free food grade polypropylene containers with snap on lids Available with 2, 3 or 4 ceramic filter candles 7” long x 2” diameter with long threaded mount 1 Black Rubber Sealing Washer for each candle fitted 1 Black Plastic Wing Nut for each candle fitted 1 Plastic dispensing tap with plastic threaded nut and 2 black rubber washers.

Intellectural Property Type

Select Type

User Provision Model

Users can obtain the product from distributing NGOs and Aid Agencies or directly from the manufacturer.

Distributions to Date Status

The Household filter kit has been exported in pallets of 100 to more than 140 countries for disaster response.

Design Specifications

The kit includes two, three, or four ceramic candles, two 16 L buckets with snap-on lids, a dispensing tap for the storage container, the required hardware (such as washers and nuts) for installation, and a tool to measure the diameter of the candles. According to the manufacturer, kits sold for emergency response typically come with two silver-impregnated Sterasyl ceramic candles.

Product Schematics

Technical Support

Contact the manufacturer

Replacement Components

The regular Sterasyl filter cartridge containing only silver-impregnated ceramic is not available for purchase online, but the upgraded Super Sterasyl, containing activated carbon for additional chemicals removal is available for sale online for $22.

Lifecycle

It is recommended to change the filter cartridges every 12 months for the daily use of a 4 person.

Manufacturer Specified Performance Parameters

Each Sterasyl filter candle is designed to filter 10,000 liters and last a family 12 months. The Household filter kit contains 2, 3 or 4 ceramic filter candles, with an expected flow rate of output of up to 1 liter per candle per hour.

Vetted Performance Status

The performance was tested as part of the Humanitarian Innovation Fund’s Emergency Household Water Filter Challenge.

Safety

No safety risks.

Complementary Technical Systems

Pre-filter such as a cloth for turbid waters.

Academic Research and References

Compliance with regulations

NSF and WRAS compliant.

Evaluation methods

Tested by HIF evaluators for ease-of-use, performance in removing contaminants, flow rate, and affordability.

Other Information

None