The Pelican PDF-RF Dual Replacement Filter Set For PDF Series is a powerful carbon filter for use with all Pelican PDF series water purification and filtration systems. This water filter removes over 60+ contaminants from your drinking water helping you achieve a cleaner and healthier lifestyle, one glass at a time. This water filter can filter water at temperatures of 100F, and has a 6 month lifespan, along with a 450 gallon overall capacity. This water filter is also ANSI/NSF certified for performance and offers you easy installation and virtually no maintenance once it is installed. If you are looking for a replacement water filter to pair with your Pelican water filtration and purification system, look no further than the Pelican PDF-RF Dual Replacement Filter Set For PDF Series.