These units maintain a UL Tested NEMA Type 12 seal against enclosure.
Service–friendly; complete cover removable towards the front, easily accessible filter mats and control elements in front area.
These units maintain a UL Tested NEMA Type 3R/4 seal against enclosure.
Maintains a UL Tested NEMA Type 4/4X seal against enclosure.
The 4th Generation of the Filterfan® offers an enormous degree of service, mounting and maintenance–friendliness.