Complete set of Pre-filters for the Vyair RO1-UP water filtration system. This set includes filters for stages 1, 2, 3, and 5. Suitable for a range of Reverse Osmosis units including Vyair RO-1UP, RO-2N, RO-1, RO-4, RO-50TK and other 5 Stage units. This item also has the option to add an RO 50 gallons per day membrane.
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