Additional Details ------------------------------ Bullet point: COMPATIBLE WITH E3RO550-EZ: PureT FPK-E3-5 comprehensive water filter replacement pack is specifically designed for the EZ Slim Reverse Osmosis System, model E3RO550-EZ. It includes every water filter needed to maintain optimal performance, ensuring that your water system continues to deliver clean, pure water. Each water filter in this set is engineered to fit perfectly & work seamlessly with your existing water filter system, providing hassle-free maintenance & reliable water filtration. Product description: Pureteck RO Systems combine the latest technologies in water filtration for residential use, including membrane separation (reverse osmosis), activated carbon adsorption, and conventional filtration to reduce a wide spectrum of contaminants that can be found in water. Built from high quality food grade components, Pureteck RO Systems are available with or without booster pumps for rural and city use. The standard residential systems are available in 50, 75, and 100 GPD. Higher GPD are also available. We provide private labeling and can customize the systems to include various filter options, filter housing and tubing colors, tank sizes, and UV water sterilizer.