WATERRO OPTIMUM 800G-3013*2 Direct-Flow Reverse Osmosis System The WATERRO OPTIMUM 800G-3013*2 direct-flow reverse osmosis system is a high-performance system that provides a continuous supply of high-quality drinking water without a storage tank. The system is equipped with two WATERRO WR-3013-400 membranes and a PRO 400 24V booster pump, ensuring high output and stable operation. Standard SLIM 10" prefilters and an Inline QF 2.0" Post Carbon post-filter provide effective water purification, excellent taste and easy maintenance. Key advantages 800 GPD total output 2 × WATERRO WR-3013-400 membranes Direct Flow technology without a storage tank PRO 400 24V booster pump Standard SLIM 10" filters Inline QF 2.0" Post Carbon post-filter Compact under-sink installation 24 V power supply system