With regards to the structural integrity, deep drawn steel domes and precision weld seams give RO tanks unparalleled reliability. To be sure, multiple stages in the production process test the tanks quality . To ensure the integrity of every tank. Pre-pressurized tanks are perfect for use in under-sink water storage with your reverse osmosis system. The RO process is on the slower side. The system typically requires a pressurized storage tank to provide water on demand. Your RO system will fill the tank to capacity. When you open your RO water dispenser, the water is sent out by the tank’s pressurized air bladder