The Superior RO PLUS takes the proven performance of the standard Superior system and enhances it with a pressure-reducing valve and autoflush for improved efficiency and reliability. Delivering 99.5% rejection of contaminants, this model is ideal for households that want greater convenience and long-term membrane protection. Like other Excalibur RO systems, it comes with a faucet, tank, and install kit, and can be configured with optional filters to address pH and bacteria. It provides the reassurance of consistent, pure drinking water backed by a 5-year unlimited warranty