Typically used as the last carbon filter used to polish the taste of reverse osmosis water. Also used for icemakers, refrigerators, drinking fountains and coolers. Additional Details ------------------------------ Bullet point: EFFECTIVELY ELIMINATES CHLORINE, BAD TASTE & ODOR: This high-quality carbon filter uses advanced activated carbon technology to remove unpleasant odors and tastes caused by chlorine. Perfect for enhancing the quality of your water, this carbon water filter works seamlessly with reverse osmosis water filters. Its granular activated carbon ensures superior filtration, while the built-in sediment filter protects your system from particulates for long-lasting performance.