| BRAND | Depa |
| Product | 501801-89 - DL50, DEPA E4 |
| Internal code | IMP4863094 |
| Technical specification | DL50, DEPA E4 composite membrane Material: PTFE-TFM 1705-B/EPDM-Conductor /Core 3.1325 (composite membrane for product side/air side) |
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