full-flow TCS filtration is typically ~50-micron; separate side-stream polishing can be sub-micron (for example 0.2-micron on premium units)
~50-micronobserved
| Value kind | observed — Reported measurements, counts, and specifications keep the precision and scope stated by their source; an exact specification is not treated as a range. |
|---|---|
| Scope | The ~50-micron value is the typical full-flow rating; sub-micron polishing is a separate side-stream stage, not the same filter rating. |
| As of | 2025 |
| Source | OCP / Vertiv / Boyd · “How do CDU Units Work?”; states that CDU filters are typically 50 microns |
| Review | checking…review by 2026-09-07 · standard cadence |
| Recorded changes | last 2026-06-29 |
| Claim id | common-tcs-side-stream-filtration-sub-micron-e |
Where the guide uses it
← Full numbers register — every date-stamped figure in the guide, with revision history.