3-Stage Under-Sink Water Filter System with Chromed Faucet This 3-stage filter system is designed for easy installation, low maintenance, and features dual carbon block filters along with a high-capacity sediment filter. The sediment filter protects and extends the life of your system, while the carbon block filters work to remove many harmful contaminants like chloramine, chlorine, organic chemicals, heavy metals and providing you with bottled quality water on demand.