Great Lakes International Inc., of Racine, Wis., manufacturer of Reo-Pure RO Systems, announces two new models to its LP-ES series. The LP-ES 850 gpd and 1,150 gpd RO systems are small in size, yet big in capacity. Standard features include 20″ sediment and carbon pre-filters, low-feed water pressure switch, product water pressure switch, reject water recirculation loop, liquid-filled gauges, manual membrane flush valve, product water relief valve, inlet water shut-off valve, and product water check valve.