Continue to enjoy cleaner and safer water from your under sink universal reverse osmosis (RO) water filtration systems, PUN3RO and PUN4RO, with the Vitapur RO Membrane VUNROM. This NSF certified replacement component ensures your RO system continues producing great-tasting drinking water by reducing chemical contaminants such as lead, TDS heavy metals and others. For best system performance, replace this RO membrane every 24 months.
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