Radiant Water Co is a full service water filtration, conditioning and purification company. For around $650 we can install an "under the sink" reverse osmosis system, which removes up to 99% of all contaminants.. Water Well Service,Water Consultants,Water Filtration & Purification Equipment,Water Softening & Conditioning Equipment & Service,Water Treatment Systems-Equipment,Service & Supplies-Commercial & Industrial,Water Well Drilling & Pump Contractors,Water Filtration & Purification Equipment