The Waterdrop line of products comprises top-quality and high-performing water filter systems, including the Waterdrop G3P800 Reverse Osmosis System. This water filter system has unsurprisingly become the favorite in thousands of American households. Homeowners who bought the 800GPD remineralization RO system with UV sterilizing light have high praise for the product. One of these homeowners has the following to say about the Waterdrop G3P800.