iSpring FG15B-KS Premium Quality Super Capacity GAC and KDF Carbon Filter Replacement Cartridge for Direct Connect Under Sink Water Filtration System US21B & US21B-CPB, 10” x 4.5”

★★★★★ 4.6 121 reviews

$41.81
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Management number 219160427 Release Date 2026/05/03 List Price $16.72 Model Number 219160427
Category

Made of premium GAC and KDF, this 10” x 4.5” compound carbon filter FG15B-KS is the official 1st stage replacement filter cartridge for iSpring direct connect Point-of-Use(POU) under sink water filter system US21B. It also fits standard 10" under sink water filter or whole house water filtration systems. Designed to effectively remove chlorine, lead, mercury, iron, hydrogen sulfide,chloride, chloramines, herbicides, odors, and other contaminants or impurities, FG15B-KS can team up with carbon filters like iSpring FC15B to create a reliable shield that protects you and your family from ingesting harmful chemicals or contaminants in your tap water.

  • [Superb Filtration Performance] FG15B-KS 10” x 4.5” compound filter is designed to effectively remove chlorine, lead, mercury, hydrogen sulfide, iron, chloride, chloramines, herbicides, odors, and other contaminants or impurities.
  • [Water Health Warrior] Teaming up with carbon filters like iSpring FC15B, this filter is super powerful to remove the unpleasant taste or odor left in chlorinated water while maintaining the protection benefits of chlorine in water disinfection. They also tackle problems like turbidity, cloudiness, colors, bad taste, and odors like hydrogen sulfide that smells like rotten eggs. A reliable shield that protects you and your family from ingesting harmful chemicals or contaminants in your tap water.
  • [Great Compatibility] Official 1st stage replacement filter cartridge for iSpring direct connect Point-of-Use(POU) undersink water filtration system US21B. Fits standard 10" undercounter or whole house water filtration systems. Individually sealed for freshness.
  • [Exceptional Filter Life] Based on the contaminant levels in source water and your water use, we suggest that you change your filters every 8-12 months for best filtration performance. Hassle-free filter cartridge replacement is a breeze!
  • [TDS Note] Please be noted that the system for which this filter works 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 significantly reduces TDS, please consider our iSpring Reverse Osmosis (RO) systems RCC7 series or tankless RO500.
  • [Peace-of-Mind Support] We offer tech and CS support via phone and email from Atlanta, GA. Contact our responsive and professional team for product selection to suit your water filtration needs and after-sale support to maximize your user experience. Now, and years to come, we will be right here and ready to help.
  • Capacity: 80000 gallons
UPC 810004171336
Set Name US21B
Brand Name iSpring
Unit Count 1.0 Count
Manufacturer iSpring
Model Number 1
Material Type KDF+GAC
Item Type Name for Direct Connect Under Sink Water Filtration System US21B
Number of Items 1
Product Benefits Provides superb filtration performance, removing various contaminants and impurities for clean and safe drinking water
Included Components 1 Filter
Manufacturer Part Number FG15B-KS
Item Dimensions D x W x H 4.5"D x 4.5"W x 10"H
External Testing Certification NSF
Compatible Water Purifier Models iSpring RCC7
Manufacturer Warranty Description Warranty and Support: By default every iSpring replacement filter comes with thirty-day money back policy and one-year limited manufacturer warranty. We care and love to help customers. Besides DIY videos on YouTube and Knowledge Base on our website, we provide direct customer service from Atlanta, GA. Please don't hesitate to reach out to us before and after your purchase. Your satisfaction is our business!

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