Description
Zehnder ComfoWell 520 CW-F9 520 fine dust filter rated ISO ePM1 >90% (F9), supplied as one replacement filter for the compatible ComfoWell 520 filter housing.
Confirm the CW-F 520 housing and required filter grade before ordering.
Zehnder P/N 990 323 607
| Brand | Zehnder |
| Delivery | Next Day |
| Guarantee | 1 Year |







