iSpring F2US21B Direct Connect US21B Replacement Filter 4.5"x10" Undersink Water Filtration CTO Carbon Block and GAC+KDF Water Filter Replacement Cartridge Pack Set
iSpring F2US21B Direct Connect US21B Replacement Filter 4.5"x10" Undersink Water Filtration CTO Carbon Block and GAC+KDF Water Filter Replacement Cartridge Pack Set
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About This
- US21B replacement filter. As the official replacement filter set for iSpring direct connect undersink water filtration system US21B, this economical filter pack consists of one 10"x4.5" CTO carbon block filter(FC15B) and one 10"x4.5" GAC+KDF water filter(FG15B-KS).
- 1st stage FG15B-KS 10” x 4.5” compound filter is designed to remove chlorine, lead, iron, mercury, hydrogen sulfide, THMs, chloride, chloramines, herbicides, nitrate, odors, and other contaminants.
- Using high quality coconut shell carbon and highly compact fabrication tech, 2nd stage CTO filter FC15B knocks out cloudiness as well as bad tastes and odors, removes up to 99% of chlorine, and is highly effective on herbicides and industrial solvents and other contaminants like trihalomethanes.
- Individually sealed for freshness. Depending on source water quality, replace the filters every 8-12 months to achieve optimal performance. Please refer to our manual and our helpful YouTube videos for filter change tips if needed.
- The under counter water system this filter pack works for is NOT designed to reduce Total Dissolved Solids(TDS) removal and instead keeps essential minerals in your water. If you are interested in a filter that removes TDS, please consider our iSpring Reverse Osmosis (RO) systems such as RO500, RCC7, RO100 and more.
Overview
- Brand : iSpring
- Special Feature : Chlorine Reduction, Multi Stage Filtration
- Material : Iron
- Included Components : FG15B-KSx1, FC15Bx1
- Installation Type : Under Sink
- Purification Method : Carbon Block, Granular Activated Carbon
- Power Source : Gravity-fed
- Item Weight : 6.5 Pounds
- Model Name : F2US21B
- Upper Temperature Rating : 100 Degrees Fahrenheit
Experience the difference clean, softened water makes in your daily life — from healthier skin to better tasting drinking water.
👉 Softer skin and smoother hair with every shower.
👉 Prevent scale buildup and keep your appliances running efficiently.
👉 Softer, brighter clothes that last longer with every wash.
See the Difference in Your Water — Instantly
Hard water, chlorine, and hidden contaminants can affect your health, skin, and appliances.
Our advanced filtration system removes impurities and delivers clean, safe water throughout your entire home.
Feel the difference in every drop — from your kitchen to your shower.
FAQ
Water Filtration & Home Water Guide
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Reverse Osmosis vs Water Filter — Which Is Better?
Not sure if you need Reverse Osmosis or a standard water filter? Learn the real differences, what each system removes, and how to choose the best option for your home.
Reverse Osmosis vs Water Filter — Which Is Better?
Not sure if you need Reverse Osmosis or a standard water filter? Learn the real differences, what each system removes, and how to choose the best option for your home.
-
Do I Really Need a Water Filter at Home?
Wondering if your home needs a water filter? Learn how to check your water quality, compare filter types, and choose the right system for safer, better-tasting water.
Do I Really Need a Water Filter at Home?
Wondering if your home needs a water filter? Learn how to check your water quality, compare filter types, and choose the right system for safer, better-tasting water.
-
7 Signs You Have Hard Water in Your Home
Water quality plays an important role in everyday life. From drinking water to showering and washing dishes, the type of water flowing through your home affects comfort, cleanliness, and even...
7 Signs You Have Hard Water in Your Home
Water quality plays an important role in everyday life. From drinking water to showering and washing dishes, the type of water flowing through your home affects comfort, cleanliness, and even...
