Agriculture
December 29, 2023
LifeWell Water Filter
Read SolutionImplemented by
RealRelief
Updated on January 11, 2024
·Created on September 28, 2018
The Kohler Clarity is a tabletop household filter with a silver-impregnated ceramic filter cartridge.
The Kohler Clarity is a household tabletop water filter with a silver-impregnated ceramic filter cartridge. It holds 11 liters of unfiltered water and 12 liters of filtered water with 99% removal of bacteria and protozoa.
Target SDGs
SDG 6: Clean Water and Sanitation
SDG 3: Good Health and Well-Being
Market Suggested Retail Price
$65.00
Target Users (Target Impact Group)
Household
Distributors / Implementing Organizations
Water Mission, World Vision, Rotary International and Operation Blessing.
Competitive Landscape
Direct competitors include Rainfresh MP4U Gravity Filter, Tulip Table Top Filter, and Nazava Water Filter.
Manufacturing/Building Method
The Kohler Clarity is manufactured in Arkansas, USA and made out of durable food-safe plastic. The Clarity filter cartridge is made out of silver-impregnated ceramic. Pallets ship with extra spigots and filter cartridges.
Intellectural Property Type
Trademark
User Provision Model
Users can obtain the product through distributions by a partner organization or by ordering online from Business Connect.
Distributions to Date Status
Kohler has distributed 15,000 filters since 2016 through partner organizations Water Mission, World Vision, Rotary International and Operation Blessing in Haiti, Honduras, Peru, Puerto Rico, Louisiana USA, Vietnam, Ethiopia, and Lebanon.
Type of filter
Ceramic candle (cartridge) filter
Primary material of construction
Silver-impregnated ceramic
Additives
None
Manufacturer-specified flow rate (L/hr)
2 L/hr
Bacteria reduction
5.2 log
Virus reduction
This filter is not designed to treat viruses.
Protozoa reduction
log 2 reduction of protozoa and cysts
Heavy metals and/or arsenic reduction
This filter is not designed to treat chemical contaminants such as lead, arsenic or chlorine.
Maximum recommended influent turbidity level (NTU)
<0.5
Effluent turbidity levels (NTU)
Unknown
Maintenance schedule
When flow is reduced clean the filter cartridge with sandpaper
Manufacturer-specified lifetime volume (L)
5000 liters
Safe water storage integration
12 L
Design Specifications
The Kohler Clarity is designed to filter microbiologically contaminated drinking water through a replaceable ceramic filter for a family of four, producing up to 40 liters of water per day with 12 liters of safe storage. On their webpage, the manufacturer claims that the filter reduces bacteria, protozoa, and cysts by 2 logs, however, testing at Tufts University determined a >5.2 log reduction of E. coli through the filters. This product does not treat chemical contamination.
Technical Support
Technical support is available from the instruction manual in English, French, and Spanish. Instructions are also available in a series of videos and pictorial instructions are printed on the underside of the plastic lid as pictured below.
Replacement Components
The Clarity filter cartridge is available online for 15 USD. The Kohler Clarity ceramic filter cartridge is part of the Springboard Initiative’s C1 Common Interface so the replacement filters from other manufacturers will also work with the Kohler Clarity.
Lifecycle
The filter has the capacity to treat 5,000 liters before it needs replacing. There is no end-of-life indicator so users are recommended to check the filter cartridge periodically for cracks, and to regularly clean it with sandpaper when flow is reduced. When cleaning with sandpaper does not restore flow due to irreversible fouling or there are cracks present in the cartridge, the filter cartridge needs to be replaced.
Manufacturer Specified Performance Parameters
The Kohler Clarity is designed to meet WHO (World Health Organization) water quality standards for microbiological contamination, filter up to 40 liters per day at a rate of 2 liters per hour, have a 23 liters total water capacity (11 L dirty, 12 L clean with safe storage), and be easy to assemble and clean. It is also nestable for shipping as individual filters or in bulk.
Vetted Performance Status
Biological testing done by Tufts University showed 5 log E. coli removal, and Biological Consulting Services found compliance with the USEPA P231 Protocol (Microbiological Water Purifiers) and additional Kohler-specified protocols for Salmonella, Shigella, parasites, and E. coli.
Safety
No known safety risks if used properly.
Complementary Technical Systems
A pre-filter is required for the treatment of turbid water.
Academic Research and References
Biological testing by Tufts University in 2015
Csrwire.com. Available: https://www.csrwire.com/press_releases/39810-kohler-water-filters-reach-over-15-000-households
“Clean Water Charity & Nonprofit Engineering,” Water Mission, 25-Aug-2015. Available: https://watermission.org/
“Gifts that grow this Christmas,” World Vision, 19-Oct-2023. Available: https://www.worldvision.org/?campaign=119351258&gclid=CJOV7rHi5dICFYa4wAod8zcEqg
“Home,” Rotary.org. Available: https://www.rotary.org/en
“Goal 6,” Sdgs.un.org. Available: https://sdgs.un.org/goals/goal6
“Kohler Clarity Sunset,” Kohlercompany.com, 05-Jan-2023. Available: https://www.kohlercompany.com/social-impact/innovation-for-good/kohler-clarity-sunset/
“Gifts that grow this Christmas,” World Vision, 19-Oct-2023. Available: https://www.worldvision.org/?campaign=119351258&gclid=CJOV7rHi5dICFYa4wAod8zcEqg
“You Live Your Faith When You Bless the Poor,” Operation Blessing, 20-Dec-2021. Available: https://www.ob.org/
“Kohler Clarity Sunset,” Kohlercompany.com, 05-Jan-2023. Available: https://www.kohlercompany.com/social-impact/innovation-for-good/kohler-clarity-sunset/
Kohler.com. Available: https://www.us.kohler.com/webassets/kpna/pressreleases/2015/KohlerClarityFactSheet.pdf
K. Co., “Instructions and Care Instructions et entretien Instrucciones y cuidado,” Squarespace.com. Available: https://static1.squarespace.com/static/563f8a24e4b03e6aac932869/t/5755d6177da24fbf2cdae6f9/1465243160317/Kohler_Clarity_Instructions.pdf
Path.org. Available: https://media.path.org/documents/TS_swp_c1_product_guide_2016.pdf
“Kohler Clarity: From creating a shower mixer to making drinkable water accessible to all,” Com.au. Available: https://kohler.com.au/kohler-clarity.html
“Kohler Clarity Sunset,” Kohlercompany.com, 05-Jan-2023. Available: https://www.kohlercompany.com/social-impact/innovation-for-good/kohler-clarity-sunset#about
M. Radloff, G. Lukasik, and K. C. Global Faucets, “Biological Consulting Services,” Engineeringforchange.org. Available: https://www.engineeringforchange.org/wp-content/uploads/2018/07/BCS-Kohler-Clarity-Units-BCS-1710206-210-10.25.2017-R.pdf
Path.org. Available: https://media.path.org/documents/TS_swp_c1_product_guide_2016.pdf
Compliance with regulations
Meets World Health Organization drinking water quality guidelines for treatment of biological pathogens, bacteria, protozoa, and cysts.
Evaluation methods
Laboratory testing for reduction of E. coli through the filter
Other Information
Can replace the Kohler Clarity filter cartridge with cartridges from other C1 Common Interface products, including cartridges from Imerys (India) and PureEasy (China)
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