The Everpure BTA-2L is a high-quality buffer tank designed for efficient water storage. With a capacity of 2.0 liters, this black tank is specifically engineered to complement the 16-gallon storage tank (model 340-50001). It serves as a reliable replacement part, ensuring optimal performance and longevity for your reverse osmosis system. The compact design allows for easy installation and integration into your existing setup, making it an essential accessory for maintaining clean, purified water.