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The PB Membrane is the middle replacement filter for the Pure Blue (PB) Reverse Osmosis drinking water system. It is recommended to replace this filter every 2-3 years to ensure the highest quality filtering. This does not include the Pre/Post replacement filters. The Pre/Post Reverse Osmosis replacement filters can be found here. CONTAMINANT COMPARISON CHART PLEASE NOTE: These filters are NOT compatible with the Ultra drinking water system. If your system has the word "Ultra" printed on it, and your filters are white in color, these are NOT the correct filters. Your filters can be found here. Membrane Filter Change Instructions Membrane Filter Change Video
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🇺🇸 Ship from USA · On Agora since 2025
$183.98