The 40cm VF-EFi150xx fan is the largest in the range and produces a class leading airflow of up to 4,459 cfm (7,580 m³/hr).
The fan is stackable, which enables a combination of units to further increase the airflow if required, as well as reducing the space needed for storage.
The fans are ATEX & IECEx certified for use in zone 1 & 2, and have an IP55 rating.
The 2 duct adaptor allow the attachment of different ducting as required.