L1 - Series Light Commercial Reverse Osmosis Systems are a cost - effective solution for light commercial RO applications such as .coffee, tea, food preparation, misting, hydroponics, detailing, and more L1 - Series features a compact wall mount space-saving design and comes pre - assembled and ready for out - of - the - box service with simple utility connections. The L1 models are available in capacities of 200 and 300 gallons per day and feature a single pump design for reliable performance Each model is engineered with quality components including fiberglass (FRP) membrane housings, extra low energy membranes, .pressure gauges, filters and housing