The PB Pre/Post Reverse Osmosis Filters are the official pre- and post-filters for the Pure Blue (PB) Reverse Osmosis System. To keep your system performing at its best and delivering clean, great-tasting water, these filters should be replaced every 12 months.
Quick Facts
Fits: Pure Blue (PB) Reverse Osmosis Systems
Replace: Every 12 months
Includes: Pre-filter and post-filter set
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 filters here.
What a Pure Blue RO System Reduces
These filters work together with the membrane 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
They are the official pre- and post-filters for the Pure Blue (PB) Reverse Osmosis System.
How often should I replace them?
Every 12 months, to keep your system performing at its best and delivering clean, great-tasting water.
Can I use these filters in an Ultra or Platinum Pure system?
No. These filters are 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 filters here.
Do I need to replace the membrane at the same time?
No. The membrane is a separate replacement filter with its own schedule. This listing covers only the pre- and post-filters.
