iSpring Greatwell membrane front view shows a compact under-sink fit for filtration.
iSpring Greatwell membrane packaging highlights NSF-certified quality and easy replacement.
iSpring Greatwell membrane label confirms NSF certification for trusted filtration.
iSpring Greatwell membrane in housing demonstrates standard size for easy under-sink swap.
iSpring Greatwell membrane being installed illustrates simple replacement for convenient maintenance.
iSpring Greatwell membrane in action demonstrates water filtration for daily use.
iSpring Greatwell membrane close-up reveals 0.0001 micron pores for selective permeation.
iSpring Greatwell membrane installation guide image for quick DIY replacement.

iSpring

iSpring Greatwell NSF Certified RO Membrane 75 GPD 11.75in x 1.75in | Replacement MC7

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

$52.30

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Why customers choose TaskHolt Tools

Overview

Meet the iSpring Greatwell Reverse Osmosis Membrane, a NSF certified replacement designed for standard under sink RO systems. This 75 GPD membrane, sized at 11.75 in by 1.75 in, is built to fit most housings and support reliable on demand filtered water.

What it does

  • Removes up to 99 percent of more than 1,000 contaminants from water, helping improve clarity and taste.
  • Lead reduction up to 98 percent and removal of chlorine, fluoride, arsenic, asbestos, calcium, and sodium.
  • 0.0001 micron pore size with high packing density for selective water permeation; TDS rejection up to 97 percent under NSF testing.

Key specs and compatibility

  • Standard size 11.75 in by 1.75 in, fits most under sink RO housings.
  • Produces about 75 gallons of filtered water per day, supporting households of various sizes.
  • NSF ANSI certified and third party tested for quality and safety standards.

Ease of use and maintenance

  • Register online to activate a manufacturer warranty and access lifetime free technical support.
  • Normally lasts about 2–3 years depending on source water quality; very hard water may require customized options.

Note that this membrane is designed for compatibility with standard RO housings and replacement MC7 models. While it can improve water quality indicators, outcomes depend on your system and water source.

Why choose iSpring Greatwell?

Beyond performance, the membrane uses food grade materials and careful manufacturing. Consider it a practical upgrade for households seeking dependable filtration and ongoing supply of filtered water.

FAQ

Q: Is the iSpring Greatwell RO Membrane compatible with most under-sink systems?

A: Yes. It fits standard 11.75 in x 1.75 in housings and MC7-compatible setups; verify fit with your unit before replacing.

Q: How long does the membrane last?

A: Typically about 2–3 years depending on water quality; very hard water may require adjusted solutions.

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