The Olympia Water Systems 4-Pack replacement filter set for stages 1-3 & 5 includes a 5 micron polypropylene sediment filter, (2) 5 micron coconut shell carbon block filters, and an inline coconut shell post carbon filter. Compatible with OROS-50, OROS-80 and OROS-80-ALK reverse osmosis systems and standard sized under-sink reverse osmosis systems. The filters are industry standard sized to fit in under-sink reverse osmosis systems with standard 10″ filters.
The sediment filter removes sand, silt, dirt and rust particles. The carbon block filters reduces chlorine, taste and odor. Carbon block also removes Volatile Organic Carbon Compounds, Insecticides/Pesticides & Chemicals*. Inline coconut shell post carbon filter for reduction of chlorine, taste and odor. Depending on usage and feed water quality, the stage 1, 2 & 3 filters are typically replaced every 6-12 months. *These claims are based on manufacturer testing. These claims are not certified by NSF.