# Membrane Solutions Carbon Block Water Filter, 5 Micron Improve chlorine taste and odor in standard 10-inch housings with this coconut-shell carbon filter, NSF/ANSI 42 covers materials only. - [Original product page](https://www.ofertitastop.com/us/product/membrane-solutions-carbon-block-water-filter) - [View offer](https://www.ofertitastop.com/us/visit/membrane-solutions-carbon-block-water-filter) - Market: US - Language: en-US - Currency: USD - Product updated: 2026-10-09T21:13:03.450Z - SKU: ofertitastop-us-101759 - Category: Hardware > Plumbing > Water Dispensing & Filtration > Water Filtration Accessories > Water Filter Cartridges - Source store: amazon US - Active deal: Yes - Price: 31.98 USD - Previous price: 39.99 USD - Discount: 20% - Rating: 4.6 / 5 - Reviews: 349 Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store. ## Description If your priority is improving the taste and smell of tap water, a carbon block cartridge is aimed at a different job than a filter chosen mainly for more extensive treatment. The Membrane Solutions cartridge is a 5-micron CTO carbon block in a standard 10-inch by 2.5-inch format, with coconut-shell activated carbon. It is sold as a six-pack, so the purchase is geared toward keeping replacements on hand rather than buying a single cartridge. Its fit still depends on having a compatible standard housing. ## Key points The main draw is its combination of particulate filtration and chlorine reduction. The product description says it can filter sediment, rust, silt, sand, iron, and other undissolved particles, and reduce chlorine and odors that affect water taste. Those claims make it relevant for municipal or tap water with residual chlorine, including water used for coffee or ice. The stated filtration figure is up to 99% for the listed particulates, it should not be read as a claim that the cartridge removes every contaminant. The listing says the carbon material was tested and certified by NSF International against NSF/ANSI 42 for materials requirements only. That scope matters: it does not establish broader contaminant-reduction performance. Keep in mind that the recommended replacement interval is every 3–6 months, depending on water quality, even though the stated capacity is up to 15,000 gallons. Your actual replacement timing will depend on your water and use. ## Best use cases This cartridge is intended for standard 10-inch housings and is listed for use in many reverse osmosis, under-sink, countertop, RV, catchment, and whole-house filtration setups. The description also names compatibility with WFPFC8002, WFPFC9001, FXWTC, and WHKF-WHWC. “Standard size” does not guarantee a fit in every system, so match the cartridge dimensions and housing requirements before ordering. It makes sense if you want a replacement aimed at reducing chlorine taste and odor while filtering common undissolved particles. Picture filling a coffee maker or refrigerator dispenser from a household line: this cartridge is positioned as a pre-filter for those uses, including appliances with lower flow-rate requirements. A more demanding treatment need calls for checking what contaminants the specific system is designed to address, this listing does not establish that the cartridge handles every water-quality concern. ## Tips for day-to-day use Before installation, confirm that your housing accepts a 10-inch by 2.5-inch cartridge and that the model is among the stated compatible options. The manufacturer describes installation as straightforward enough to do without a plumber, but the listing does not provide model-specific installation steps. Follow the instructions for your filtration system when replacing the cartridge. Track the replacement date and use the stated 3–6-month interval as a guide, adjusting for water quality rather than treating the maximum capacity as a guaranteed service life. The six-pack can make scheduled changes more convenient, but it also means storing unused cartridges until needed. You may want to skip it if your housing is not compatible or if you need documented reduction claims beyond the material requirements described here. ## Questions before you buy **Will it fit any 10-inch water filter housing?** No universal fit is guaranteed. It is described for standard 10-inch housings, but dimensions and system requirements should match. **Does it reduce chlorine taste and odor?** The product description says it reduces chlorine and odors to improve taste. It does not provide a broader guarantee for every water concern. **How often should it be replaced?** The recommendation is every 3–6 months, depending on water quality, the stated capacity is up to 15,000 gallons. ## Final verdict This is a practical replacement to consider when your system takes the stated cartridge size and your goal is chlorine and odor reduction alongside filtration of listed particulates. The six-pack suits buyers planning recurring changes, while the material-only scope of its NSF/ANSI 42 certification is an important boundary. Choose it for the specified housing and use case, look elsewhere if you need evidence of reduction for contaminants not identified in the product information. ## Images ![Membrane Solutions Carbon Block Water Filter, 5 Micron — 1](https://www.ofertitastop.com/i/DRSvAgtDFs13uP6c3CJCQtgp06HNShb0M-IrHyyAHz85apNnDVZQA54IBCafwMg9mdADa2KgT1yyvftx_Qk3pMR4CJU9mnssBE3y9GTZdUBkBGLGaNof2ILSmQ.jpg) ![Membrane Solutions Carbon Block Water Filter, 5 Micron — 2](https://www.ofertitastop.com/i/JI6H0SqWnTE0UiEX1v9TKVKb34ZESSuk7LT8yVYBoCD09A1SZGKwQbSB6F1r9kF2yQkOHdLooDBhnhGsRXl9ipfXD_yWJKyct-fvETsUPvsan-oEo8ILupbzRA.jpg) ![Membrane Solutions Carbon Block Water Filter, 5 Micron — 3](https://www.ofertitastop.com/i/jC4nQnlxLbcBAvJAsrPVpt9jWtIbf70Jj77GSXIHsHl4CWk5egDswYcaFhnfw51SbyBe-7tIkhRJz3XpavxUXvKh97gc5_X-hwLrCobaTIP7k9pi6WSGXteDiw.jpg) ![Membrane Solutions Carbon Block Water Filter, 5 Micron — 4](https://www.ofertitastop.com/i/QalXafyCt4CcQVQZ6Dhf0fspAx-on0OP04eTFyXGJQqmoGyF6YkYTILi3oXDGd8QBAlVAfNRor6FTIySJfkvrzSqIYPJWmVIWXOsT8iIyolWcPQ1el-2rSgfNQ.jpg) ![Membrane Solutions Carbon Block Water Filter, 5 Micron — 5](https://www.ofertitastop.com/i/0V-32ICfwEmp2f5mITCG8OTvXDY8naAUD6bJ9wWYtxbL1ucgdSi7lec6fOh87W2gypyp1XfWM7RgNvZxkFFhg1ipCKfDG08FbHFnAlEmRsv7X_gdMaed5PT0-Q.jpg)