
Water Sentinel (WSK-1) Ecowater, Whirlpool and Kenmore (Individual)
Water Sentinel WSK-1 Refrigerator Filter
Direct-fit replacement for Ecowater, Whirlpool, and Kenmore refrigerators. Six months of clean, chlorine-free water at a fraction of OEM cost.
Carbon filtration without the brand markup
Chlorine Reduction
Activated carbon media removes chlorine taste and odor while preserving beneficial minerals like calcium and magnesium.
Cost-Effective Alternative
Delivers the same filtration performance as OEM Whirlpool and Kenmore filters at a lower price point.
Drop-In Replacement
Installs in seconds with no modification. Designed to exact OEM specifications for Ecowater, Whirlpool, and Kenmore systems.
300 Gallon Capacity
Six months of filtration for typical household use. Replace every 6 months or 300 gallons, whichever comes first.
Fits Ecowater, Whirlpool, and Kenmore refrigerators using WSK-1 filter cartridges
This Water Sentinel WSK-1 filter is a direct replacement for refrigerators that originally specify the WSK-1 cartridge. Check your refrigerator manual or existing filter for model compatibility. Common applications include select Ecowater inline systems and refrigerators branded under Whirlpool and Kenmore that use this cartridge format.
Replacement schedule
Standard Replacement
Replace the WSK-1 cartridge every six months under normal use conditions, even if water flow remains strong.
Capacity Limit
If your household uses more than 300 gallons before six months, replace the filter when capacity is reached.
Flow or Taste Change
Replace sooner if you notice reduced water flow, chlorine taste returning, or any change in water clarity.
Mineral Retention
Removes contaminants without stripping beneficial minerals from your water.
No Tools Required
Twist-and-lock installation takes less than a minute.
NSF-Style Media
Uses carbon block media designed to NSF/ANSI standards for taste and odor reduction.
Water Sentinel WSK-1 Refrigerator Filter
Direct-fit replacement for Ecowater, Whirlpool, and Kenmore refrigerators. Six months of clean, chlorine-free water at a fraction of OEM cost.
Carbon filtration without the brand markup
Chlorine Reduction
Activated carbon media removes chlorine taste and odor while preserving beneficial minerals like calcium and magnesium.
Cost-Effective Alternative
Delivers the same filtration performance as OEM Whirlpool and Kenmore filters at a lower price point.
Drop-In Replacement
Installs in seconds with no modification. Designed to exact OEM specifications for Ecowater, Whirlpool, and Kenmore systems.
300 Gallon Capacity
Six months of filtration for typical household use. Replace every 6 months or 300 gallons, whichever comes first.
Fits Ecowater, Whirlpool, and Kenmore refrigerators using WSK-1 filter cartridges
This Water Sentinel WSK-1 filter is a direct replacement for refrigerators that originally specify the WSK-1 cartridge. Check your refrigerator manual or existing filter for model compatibility. Common applications include select Ecowater inline systems and refrigerators branded under Whirlpool and Kenmore that use this cartridge format.
Replacement schedule
Standard Replacement
Replace the WSK-1 cartridge every six months under normal use conditions, even if water flow remains strong.
Capacity Limit
If your household uses more than 300 gallons before six months, replace the filter when capacity is reached.
Flow or Taste Change
Replace sooner if you notice reduced water flow, chlorine taste returning, or any change in water clarity.
Mineral Retention
Removes contaminants without stripping beneficial minerals from your water.
No Tools Required
Twist-and-lock installation takes less than a minute.
NSF-Style Media
Uses carbon block media designed to NSF/ANSI standards for taste and odor reduction.
Description
Water Sentinel WSK-1 Refrigerator Filter
Direct-fit replacement for Ecowater, Whirlpool, and Kenmore refrigerators. Six months of clean, chlorine-free water at a fraction of OEM cost.
Carbon filtration without the brand markup
Chlorine Reduction
Activated carbon media removes chlorine taste and odor while preserving beneficial minerals like calcium and magnesium.
Cost-Effective Alternative
Delivers the same filtration performance as OEM Whirlpool and Kenmore filters at a lower price point.
Drop-In Replacement
Installs in seconds with no modification. Designed to exact OEM specifications for Ecowater, Whirlpool, and Kenmore systems.
300 Gallon Capacity
Six months of filtration for typical household use. Replace every 6 months or 300 gallons, whichever comes first.
Fits Ecowater, Whirlpool, and Kenmore refrigerators using WSK-1 filter cartridges
This Water Sentinel WSK-1 filter is a direct replacement for refrigerators that originally specify the WSK-1 cartridge. Check your refrigerator manual or existing filter for model compatibility. Common applications include select Ecowater inline systems and refrigerators branded under Whirlpool and Kenmore that use this cartridge format.
Replacement schedule
Standard Replacement
Replace the WSK-1 cartridge every six months under normal use conditions, even if water flow remains strong.
Capacity Limit
If your household uses more than 300 gallons before six months, replace the filter when capacity is reached.
Flow or Taste Change
Replace sooner if you notice reduced water flow, chlorine taste returning, or any change in water clarity.
Mineral Retention
Removes contaminants without stripping beneficial minerals from your water.
No Tools Required
Twist-and-lock installation takes less than a minute.
NSF-Style Media
Uses carbon block media designed to NSF/ANSI standards for taste and odor reduction.












