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Reverse Osmosis Double Capacity Replacement Pre-Filter Set, Stage 1-3, Standard Size



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Pro+Aqua Reverse Osmosis Replacement Pre-Filter Set. Includes 1 sediment filter (Stage 1) and 2 triple capacity carbon block filters (Stage 2-3). Standard pre-filters are usually changed every 3-4 months, these triple-capacity filters will last 6-12 months depending on water conditions. OEM replacement pre-filters for PRO-UC-ROSTD. Compatible with RO systems using Standard 10" filters such as APEC, iSpring, Express Water, and many more.