The InSinkErator F-201R is the correct replacement filter cartridge for the following systems:
InSinkErator F-201 Filtration System
Series 1100 instant hot water dispensers
The InSinkErator F-201R Replacement Filter is a two pack of replacement filters for the InSinkErator F-201 filtration system. This hot water filter reduces chlorine taste and odor in your drinking odor to improve taste and aroma. This InSinkErator filter features a sanitary, quick-change style cartridge for fast and simple filter replacement. The F-201R Replacement Filter should be replaced every six months to achieve the best water purification results.