Heron Pro Active RO Water Filter, Enjoy limitless access to ultra-fresh, spotless, tasty water in your own home for the highest water quality while cooking, brewing amazing coffee, and making ice. Save time, money, and hassle by not purchasing expensive bottled water and live healthier thanks to ultra-safe, contaminant-free water. Th heron pro active reverse  osmosis system has passed testing and earned the ISO  gold seal, the highest industry certification, in order to provide the best drinking water possible at a reasonable cost. High-quality components were used to build this comprehensive 5-stage water filtration system, which offers remarkable pollutant rejection rates and durable, dependable performance. The ROES-50 is an economical workhorse with a history of success in reverse osmosis, designed, built, and assembled in the USA by a top reverse osmosis manufacturer,