Aqua Filter's PRO3200P pressure vessel is made of high quality materials. It is designed for reverse osmosis systems. The tank allows the storage of drinking water. Large capacity tank (9 working liters), provides access to clean water at all times. The product is compatible with most of the osmosis systems available on the market. Features: Connection diameter: 1/4″ external thread. Dimensions (height * diameter): 345mm x 235mm. Nominal capacity (litres): 12 Working capacity (litres): 9 Maximum working pressure (bar): 6 Working temperature in degrees Celsius: 2-45