Rainsoft 6" Post Carbon Filter 1/4" FPT
6 inch granular activated post carbon replacement filter for Rainsoft Reverse Osmosis drinking water systems. Made in the USA. Easy installation. Highest quality with excellent reduction of unpleasant tastes, bad odors/smells, and chlorine. Industry standard for over 30 years. Check our store for other sizes that fit your needs. Replace every 12 months.