Updated on December 12, 2023

·

Created on September 27, 2018

Safi Water Filters

Discontinued

Safi Water Filters are ceramic filters designed for households and community purposes in 2 size models.

Developed By
  1. Safi Water Treatment Solutions
Tested By
  • Southern African Development Community Accreditation Services (SADCAS)
Content Partners
Unknown

Author

Product Description

Safi Water Filters are tabletop ceramic filters that come in two size ranges, the T9 Family Water Filter with a capacity of 18 liters suitable for a family and the T20 Group Water Filter with a capacity of 40 liters ideal for large families, clinics, offices, etc. These filters treat and store the water safely until consumption. This product has been discontinued as of 2020.

Target SDGs

SDG 6: Clean Water and Sanitation

Target Users (Target Impact Group)

Household, Community

Distributors / Implementing Organizations

Safi Water Treatment Solutions

Competitive Landscape

Manufacturing/Building Method

The product is locally manufactured in bulk in Malawi by Safi Water Treatment Solutions. The water filter consists of an imported ceramic element and tap, installation hardware, two locally produced plastic containers and a locally produced filter cleaning brush.

Intellectural Property Type

Trademark

User Provision Model

Users can obtain the product by contacting Safi Water Treatment Solutions.

Distributions to Date Status

Unknown

Type of filter

Ceramic candle filter

Primary material of construction

Ceramic filter element contains colloidal silver and activated carbon

Additives

Heavy elements and chemical compounds

Manufacturer-specified flow rate (L/hr)

1.2-2.5 L/hr

Bacteria reduction

2 log

Virus reduction

Unknown

Protozoa reduction

Unknown

Heavy metals and/or arsenic reduction

Unknown

Maximum recommended influent turbidity level (NTU)

Less than 30

Effluent turbidity levels (NTU)

Unknown

Maintenance schedule

Every year

Manufacturer-specified lifetime volume (L)

T9 model: 7000 L

Safe water storage integration

T9 model: 9 L; T20 model: 20 L

Design Specifications

The filter consists of two chambers, one for pouring feed water and another for collecting filtered water. The T9 model has the capacity to hold 9 L of safe drinking water where as T2o has 20 L of safe drinking storage capacity. For the filtration, water is poured into the upper container and allowed to rest 3-5 hours as the flow rate is 1.5- 2.5 L per hour. The water then passes through the uniform pore sized ceramic candle and is collected in bottom shelve of water container.

Product Schematics

Technical Support

None available, this product is discontinued.

Replacement Components

Replaceable components include the ceramic candle filter.

Lifecycle

1 year

Manufacturer Specified Performance Parameters

This filter was designed to reduce bacteria by 99% and store the filtered water in a sealed container.

Vetted Performance Status

Testing performed by the National Microbiology Reference determined a safe reduction in coliform contamination and did not show regrowth of bacterial colony in safe storage water.

Safety

No known safety hazards are related to this product.

Complementary Technical Systems

None

Academic Research and References

Fewtrell, L et al., 2017, A re-assessment of the safety of silver in household water treatment: rapid systematic review of mammalian in vivo genotoxicity studies, Environmental Health, 16(1), p.66.

Chaudhuri, M et al., 1994, Performance evaluation of ceramic filter candles, Journal of Environmental Engineering, 120(6), pp.1646-1651.

Oyanedel et al., 2008, Sustainable colloidal-silver-impregnated ceramic filter for point-of-use water treatment, Environmental science & technology, 42(3), pp.927-933.

Butkus, M.A et al., 2003, The efficacy of silver as a bactericidal agent: advantages, limitations and considerations for future use, Journal of Water Supply: Research and Technology—AQUA, 52(6), pp.407-416.

Compliance with regulations

The product is certified by the Ministry of Health, Malawi, and complies with the Malawi Bureau of Standards for drinking water.

Evaluation methods

The product is evaluated for removal of turbidity and bacteria in a certified laboratory, the National Microbiology Reference Laboratory. The product is also tested as a Household Water Treatment and Safe Storage (HWTS) solution.

Other Information

Safi Water: filter manual and assembly video.

Leave a Reply

Explore similar solutions

Agriculture

January 11, 2024

Jal-TARA Water Filters

Read Solution

Implemented by

TARA

Agriculture

February 7, 2024

Safi Sarvi

Read Solution

Implemented by

Safi Organics

Agriculture

January 11, 2024

Caminos de Agua Ceramic filters

Read Solution

Implemented by

Caminos de Agua

Agriculture

January 10, 2024

DHAN Biosand Filters

Read Solution

Implemented by

Dr. David Manz, University of Calgary

Agriculture

December 27, 2023

Aqusafe Filters

Read Solution

Implemented by

Aqus

Agriculture

January 11, 2024

Berkey Ceramic Filters

Read Solution

Implemented by

New Millennium Concepts, Ltd

Agriculture

January 10, 2024

Zeromass Water SOURCE

Read Solution

Implemented by

SOURCE

Agriculture

January 24, 2024

Gift of Water filter

Read Solution

Implemented by

Gift of Water

Agriculture

January 26, 2024

Warka Water Tower

Read Solution

Implemented by

Warka Water

Agriculture

January 30, 2024

Gravity Water

Read Solution

Implemented by

Danny Wright

All Solutions

Contribute to E4C's Library of Breakthrough Sustainable Development Technology Solutions

Suggest A Solution

Get more information about Solutions Library and its features.

Learn More

Have thoughts on how we can improve?

Give Us Feedback

Join a global community of changemakers.

Become A Member