These replacement filters are designed to fit our 3 stage reverse osmosis system which consists of one pre and post filter, and the RO membrane. We recommend the pre and post filters be changed together annually. The OLC250 purifier is used as a pre and post filter for customers on town water supply.
Please note this product includes two OCL250 filters sold together. Contact us if you live in the Waikato region and require your filters to be fitted and the reverse osmosis system serviced.
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