The WQA Gold Seal is the international “Mark of Product Quality” and is one of the most recognized water treatment certification programs in the world. Not all water treatment systems have the “Gold Seal”. Bearing the seal is a solid assurance of product quality, durability, and safety for the consumer. The Brondell Capella RC250 Reverse Osmosis System has been rigorously tested by WQA to meet NSF/ANSI standards and bears the WQA Gold Seal certification mark. 3 Stage Filtration with Water Saving Technology Stage 1 Pre-Filter - Activated Carbon Plus -Reduces chlorine and particulates, such as sand, sediment, iron, and rust -Protects and improves performance of E2RO membrane -Filter Life - 6 months Stage 2 Reverse Osmosis Filter - E2RO Membrane -Reduces pollutants and impurities such as heavy metals, arsenic, cysts, fluoride, and industrial chemicals -Specialized Eco-Efficient membrane filter reduces waste water to filtered water ratio of 1:1 -Up to 20 times more efficient than other traditional RO systems -Patented structure produces a higher recovery rate with similar filtration performance as traditional RO membrane -Up to 24 months membrane filter life Stage 3 Post-Filter - Carbon Block -Further reduces lingering contaminants such as chlorine and VOCs, improving the overall taste of your drinking water -Filter Life - 6 months RC250 System Includes: -Owner’s Manual w/ installation instructions -Filter Head Connector Assembly -3 Filters (Carbon Plus, E2RO Membrane, Carbon Block) -Air Gap Faucet with LED Filter Change Indicator -Reverse Osmosis Pressurized Tank -All tubing, fittings, and hardware that are required for standard installation -Drain Clamp -Tank Ball Valve -Water Supply T-Valve with Rubber Washer (⅜” connection) -T-Valve Adapters with Rubber Washers (⅜” to ½”) -Teflon Tape -Tank Stand -Filter Change Reminder Stickers