iSpring FC15 carbon-block filter close-up showing chlorine removal
iSpring FC15 10-inch cartridge packaging for under-sink use
iSpring FC15 5-micron coconut-shell carbon media cross-section
iSpring FC15 carbon media wrapped in polyolefin pre-filter
iSpring FC15 under-sink installation view with label

iSpring

iSpring FC15 5-Micron CTO Carbon Block Replacement Filter – 10x2.5 in Under-Sink RO Systems

High-performance tools and home improvement made for confident daily results

$22.85

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Why customers choose TaskHolt Tools

Overview

Experience clearer, better-tasting water right from your tap with the iSpring FC15 carbon block CTO filter. This 5 micron nominal cartridge targets fine sediment and chlorine-related flavor and odor, helping water feel smoother and more inviting for everyday drinking and cooking.

What it does

  • Reduces chlorine taste and odor and minimizes natural organic compounds and related taste issues for drinking water.
  • Utilizes coconut shell activated carbon wrapped in a polyolefin pre-filter with an outer polyethylene netting for strong filtration performance.
  • Delivers a standard 10 x 2.5 inch size that fits iSpring systems and many 10 inch RO and under-sink assemblies.

Performance and build

  • 5 micron nominal filtration with a robust carbon block design supports efficient filtration and longer cartridge life.
  • Engineered to keep healthy minerals in water, unlike some RO membranes, while substantially reducing chlorine potential and odor-causing compounds.
  • Designed for practical home use: up to 6,000 gallons at a 1 gpm flow, with an initial pressure drop around 3.4 psi, and operation from 40 to 180 degrees Fahrenheit (4.4 to 82.2 C).

Compatibility and care

  • NSF/ANSI 42 quality assurance standard supports residential and commercial drinking water purification needs.
  • Individually wrapped for easy handling; unwrap before installation for best results.
  • Note that this cartridge does not reduce Total Dissolved Solids, keeping minerals in your water while filtering undesirable compounds.

Why choose this filter

Pairing this FC15 cartridge with compatible under-sink RO systems helps improve water taste and clarity, supports filtration of chlorine and odor compounds, and aligns with standard replacement schedules. For those seeking TDS reduction, consider complementary RO options.

Support and warranty

iSpring provides lifetime free technical support from a U.S. team and an online warranty registration option for added peace of mind.

FAQ

Q: What does the iSpring FC15 filter remove from my drinking water?

A: It reduces chlorine taste and odor and filters fine sediment and organic compounds, while preserving minerals present in water.

Q: Is the FC15 compatible with standard under-sink RO systems?

A: Yes, it uses a common 10 x 2.5 inch size compatible with iSpring systems and many 10 inch RO setups.

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