Enjoy Better Tasting Water: The F-1000 filter is designed to reduce particulates, and the unpleasant taste and smell that chlorine adds to tap water. Quick & Easy Replacement: The F1000 replacement cartridge, designed to last up to 6 months, or more often if water flow slows noticeably. Also works with the In Sink Erator F2000S filtration system. It’s fast and easy to switch out, too. Just a simple twist is all that it takes. Health, taste & sustainability: Filtered tap water optimizes health, saves money on bottled water, and helps manage the global volume of discarded plastic bottles. Designed for exclusive use with In Sink Erator water dispensing systems. Faster, cleaner, smarter: From meal prep to cleanup, In Sink Erator helps make it fast & easy to keep your kitchen clean with our iconic appliances: garbage disposals & instant hot water dispensers.