Product Description The InSinkErator F-1000 Replacement Water Filter Cartridge (1-Pack) keeps your water tasting clean by reducing particulates, chlorine taste and odor. This under sink water filter is for use with the F-1000S and F-2000S Water Filtration System, designed specifically for InSinkErator Instant Hot Water Dispensers. This replacement water filter features a sanitary quick-change design to minimize contact with used filter material. The twist-and-lock design allows for quick-and-easy filter swaps. It automatically shuts the water off when the filter cartridge is replaced. The water filter is NSF standard 42 certified for quality assurance. Upgrade to the F-2000 Replacement Water Filter to reduce chlorine taste and odor, lead, mercury, asbestos, cysts and other contaminants down to 1/2 micron for cleaner, healthier water. The InSinkErator F-1000 replacement water filter is not compatible with the InSinkErator SST-FLTR Stainless Steel Tank and Filtration System. For optimal performance, InSinkErator recommends replacing your water filter cartridge every 6 months. From the Manufacturer InSinkErator Replacement Filter Cartridge (1-Pack) keeps your water tasting clean by reducing particulates, chlorine taste and odor. These filters are designed for exclusive use with InSinkErator water dispensing systems and feature a sanitary quick-change design to minimize contact with used filter material. The twist-and-lock design allows for quick-and-easy filter swaps. It automatically shuts the water off when the filter cartridge is replaced. The filter is NSF standard 42 certified for quality assurance. The F-1000 filtration system is not compatible for use with InSinkErator SST-FLTR Stainless Steel Tank Filtration System. 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, also works with the InSinkErator F2000S filtration system. Its 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 InSinkErator water dispensing systems. FASTER, CLEANER, SMARTER: From meal prep to cleanup, InSinkErator helps make it fast easy to keep your kitchen clean with our iconic appliances: garbage disposals instant hot water dispensers. A HISTORY OF INNOVATION FOR THE SINK: We invented garbage disposals in 1927, we're the worlds largest manufacturer of garbage disposals instant hot water dispensers for home commercial use.