Olympia Water Systems 5-Stage Under-Sink Reverse Osmosis Water Filtration System with 50 GPD Membrane in Oil Rubbed Bronze Faucet

The OROS-50-OB features 5-stages of filtration; a 5 micron sediment filter (stage 1), 5 micron carbon block filters (stages 2 and 3), 0.0001 micron 50 GPD RO membrane (stage 4) and a post-carbon filter (stage 5) to purify tap water and well water to provide clean, high-quality drinking water. The system uses 10 in. industry standard sized pre-filters (stages 1-3). User-friendly installation and maintenance with step-by-step manual and quick connect fittings.OROS-50-OB has not been evaluated to NSF/ANSI standards 42 and 58. The OROS-50-OB is the combination of OROS-50, which is a NSF certified system (NSF/ANSI 42 for CTO and 58 for TDS), with OROS-72F-OB, a oil rubbed bronze finish faucet that is NSF certified to NSF/ANSI Standard 372 and tested and certified by NSF International against NSF/ANSI Standard 42 and 58 for materials and structural integrity requirements.