Adding the HPL-RO to any lab water system can increase the DI cartridge capacity up to 10 times. Using feed water pressure to purify the water through a reverse osmosis membrane, the 4-stage filtration process reduces dissolved salts and organic from the water. There is a storage tank to conveniently store the permeate water, while the concentrated salts are sent to the drain.

For low Total Organic Carbon (TOC) applications, reverse osmosis can significantly reduce levels to allow the polishing system to remove the final trace amounts.