From the Manufacturer The same commercial quality that makes Everpure the overwhelming choice for water filtration in restaurants is also available for your home and reduces particles as small as 1/2-Micron. This highly engineered design offers the largest filtering surface area, longer filter life and consistent performance and has a rated capacity of 750-Gallon. Get more peace of mind with the Everpure H-54 system. It's water filtration you can trust.