# Filtration

Part ID: 5.06b · Layer 5 (Liquid cooling (IT-side: chip to CDU)) · child of 5.06

Filtration inside or ahead of the CDU that removes particulates from the technology-side coolant loop before it reaches the narrow channels of manifolds and cold plates.

## Companies

| Company | Role | Confidence | Ownership | Ticker | Note |
|---|---|---|---|---|---|
| Eaton | manufacturer | inferred | public | ETN |  |
| Pall | manufacturer | inferred | subsidiary |  |  |
| Parker Hannifin | manufacturer | inferred | public | PH |  |

Confidence tags: disclosed = company/filing statement; reported = trade press or partner list; inferred = taxonomy lead.