Thank you for your question! The size of the filter is 4.5 inch (diameter) x 10 inch (length). Best, iSpring Water Systems LLC

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iSpringFC15B High Capacity Activated CTO Carbon Block Filter Replacement Cartridge for Under Sink and Whole House Water Filtration System, 5-Micron 10"x4.5"

iSpringFC15B High Capacity Activated CTO Carbon Block Filter Replacement Cartridge for Under Sink and Whole House Water Filtration System, 5-Micron 10"x4.5"

Q: Using ispring dual stage set up. would 2 of these filters work best to remove chlorine from municipal water? the water is clean but chemical laden.

Thanks for your interest in the iSpring whole-house water filter. Knocks out cloudiness as well as bad tastes and odors remove up to 99% of chlorine, and is effective on herbicides and industrial solvents, and other contaminants like trihalomethanes. Steady flow and high absorption. Filters up to 50,000 gallons depending on the use and feed water quality. Replace the filter every 6 months or every 50,000 gallons of water for ideal performance, depending on the quality of source water and daily water consumption. If you have other questions, please call us at 678-261-7611 (M-F, 8:30 - 5:30 EST), text us at 470-560-0012 (M-F, 8:30 - 5:30 EST), or email us at support@123filter.com. We are happy to help.

Q: Do you have to rinse/flush the carbon filter before installing it in the whole house system? If yes, what’s the way to do so? Thank you

Hi TC, You can flush the filter after installation. Just open the nearest tap and let it run until the water is clear or when all the carbon residue is out. Please reach out to our customer service team for additional questions. We're always ready to help. iSpring Water Systems, LLC

Q: is there a catalyitic carbon filter avaiable to remove chloramines?

Chloramine is removed from water with essentially the same strategies that are used to remove chlorine. This means that carbon filtration is the best removal method and filter carbon does indeed remove chloramine. The problem is that it takes more carbon and more contact time to do the job. In practical terms this means that if your City disinfects your tap water with chloramines you'll need to get a larger and better carbon filter than you would need if chlorine alone were used. All our products use activated carbon so are capable of removing chloramine.

Product ID: 164799171

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Details

Brand
iSpring
Model name
FC15B High CTO
UPC
662425080212
Global Trade Identification Number
Manufacturer
iSpring Water

🌴Premium coconut shell carbon

💧Filters up to 50,000 gallons

⚙️5-micron precision filtration

Description

💧 Elevate your water game—because your home deserves the purest flow!

ULTRA PURE HYDRATION - Removes 99% chlorine, odors & harmful organics for crisp, clean water
SEAMLESS COMPATIBILITY - Fits iSpring & standard 10"x4.5" systems for effortless upgrades
LONG LASTING PERFORMANCE - Filters up to 50,000 gallons or 6 months—less hassle, more refreshment
ECO FRIENDLY CRAFTSMANSHIP - Made with high-quality coconut shell carbon, free from binders & adhesives
TRUSTED SUPPORT GUARANTEE - 30-day money-back & lifetime tech support for total peace of mind

The iSpring FC15B is a high-capacity activated CTO carbon block filter cartridge designed for under sink and whole house water filtration systems. Utilizing premium coconut shell carbon and advanced fabrication, it delivers 5-micron filtration that removes up to 99% of chlorine, odors, and harmful organic compounds. Compatible with iSpring and standard 10"x4.5" systems, it filters up to 50,000 gallons or 6 months, ensuring long-lasting, clean, and refreshing water throughout your home. Backed by a 30-day money-back guarantee and lifetime tech support.

Have a Question? See What Others Asked

Using ispring dual stage set up. would 2 of these filters work best to remove chlorine from municipal water? the water is clean but chemical laden.

Do you have to rinse/flush the carbon filter before installing it in the whole house system? If yes, what’s the way to do so? Thank you

How Big Is It?

is there a catalyitic carbon filter avaiable to remove chloramines?

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