The PB Membrane is the middle replacement filter for the Pure Blue Reverse Osmosis (RO) Drinking Water System. For optimal performance and clean, great-tasting water, we recommend replacing this filter every 2–3 years.
Note: This listing is only for the membrane filter. It does not include the Pre/Post RO replacement filters, which can be found here.
Quick Facts
Fits: Pure Blue (PB) Reverse Osmosis drinking water systems
Position: The middle replacement filter
Replace: Every 2–3 years
Not included: Pre/Post RO replacement filters (sold separately)
Not compatible with: Ultra Drinking Water Systems
If your system has the word “Ultra” or Platinum printed on it and the filters are white or silver in color, these are not the correct filters. Find the correct Ultra filters here.
What a Pure Blue RO System Reduces
The PB Membrane works together with the pre- and post-filters in your Pure Blue Reverse Osmosis system. The table below shows what reverse osmosis systems reduce.
Compare filters: what each one reduces
Pure Blue Reverse Osmosis systems use the Reverse Osmosis column. For comparison, the table also shows one-stage and dual-stage Standard and Plus filters.
Contaminants reduced by one-stage/dual-stage Standard filters, one-stage/dual-stage Plus filters, and reverse osmosis systems
It fits Pure Blue (PB) Reverse Osmosis drinking water systems. It is the middle replacement filter in the system.
How often should I replace the PB Membrane?
Every 2–3 years, for optimal performance and clean, great-tasting water.
Does this listing include the pre- and post-filters?
No. This listing is only for the membrane filter. The Pre/Post RO replacement filters are sold separately: find them here.
Can I use this membrane in an Ultra or Platinum Pure system?
No. The PB Membrane is not compatible with Ultra Drinking Water Systems. If your system has the word “Ultra” or Platinum printed on it and the filters are white or silver in color, these are not the correct filters. Find the correct Ultra membrane here.
