Discover cleaner better tasting water at your fingertips courtesy of the Culligan D-20A Under Sink Water Filter Replacement for basic filtration. Designed to reduce chlorine for enhanced taste and odor this under sink water filter features a granular activated carbon filter material that cuts down on contaminants commonly present in well water while also saving you on water bills by removing single-use plastic water bottles from your everyday routine. Bringing clean drinking water into the comfort of your own home is easier said and done thanks to the step-by-step instructions and easy-to-install design of this Culligan water filter for under the sink. With a flow rate of 1 gallon per minute this well water filter lasts 12 months to achieve long-lasting water filtration to help you reach your hydration goals cook confidently and more. Culligan offers a full line of water filtration solutions from under sink filtration to whole home water filter systems to make your water the best it can be. The D-20A basic water filter easily fits the Culligan Model US-600A Under Sink Water Filtration System as well as most other under sink filtration housings