The DWR and SR Series Fan Top kits for the European Union is compatible with all DWRs and SRs and fits both the 114mm (4.5") and 152mm (6") knockouts. 

• Includes (2) 114mm (4.5") fans (moving 138CFM), (2) 4.5" fan guards, (2) 6" fan guards and the necessary vent blockers to optimize the airflow.
• Includes 12V power supply with all necessary plugs for the European Union

• CE

Specifications:
• Height: 7.00
• Width: 19.00
• Warranty: Not Applicable

Resource:
• Data Sheet PDF