Reverse osmosis products for pure water production. Our range of reverse osmosis equipment ranges from reverse osmosis membranes to facilitate the production of pure water to auto shut off systems, to prevent flooding. We stock a range of the very best reverse osmosis membranes as well as the latest membrane housings, to maximise water production. Those have smaller tanks or trolley systems would benefit from the purchase of 100GPD, 200GPD, 300GPD or 600GPD systems. These filtration system represent excellent value for money.