iSpring F2US21B-CPB Direct Connect US21B-CPB Replacement Filter Set, 4.5"x10" Undersink Water Filtration, Lead-Removal, GAC+KDF Cartridges

The FC15B-PB and FG15B-KS filters offer premium water filtration with features designed to ensure safer, cleaner water for your household. The FC15B-PB removes up to 99% of lead, while the FG15B-KS employs advanced GAC+KDF filtration to reduce PFAS, PFOA/PFOS, chlorine, mercury, and other impurities, improving taste and clarity. Compatible with standard 10" x 4.5" housings, these durable filters last up to 12 months or 80,000 gallons, depending on water quality. Individually wrapped for guaranteed freshness, they are backed by a warranty and lifetime U.S.-based tech support. Note: For TDS reduction, consider iSpring Reverse Osmosis systems.

• Lead Removal: The media of the FC15B-PB filter can effectively remove up to 99% of lead from your water, ensuring safer drinking water for your household.
• Superior GAC+KDF Filtration: The 1st-stage FG15B-KS effectively reduces PFAS, PFOA/PFOS, chlorine, mercury, cloudiness, colors, bad taste, and many other heavy metals.
• Standard Size: Our filters fit standard 10" x 4.5" housings, including brand-name models.
• Built to Last: Your filter changing schedule will depend on the contamination level of your source water. We recommend changing your filters every 12 months or after filtering up to 80,000 gallons of water.
• Guaranteed Freshness: Each cartridge is individually wrapped to maintain optimal freshness. Please unwrap before use.
• Peace of Mind Support: Register online to activate your warranty and enjoy lifetime free tech support from our U.S.-based team. We stand by our products—if you encounter any issues, contact us immediately and we'll gladly assist!
• Important Note: This filter does not reduce Total Dissolved Solids (TDS) like an RO membrane. If TDS removal is your goal, we recommend exploring our iSpring Reverse Osmosis (RO) systems.