The Single Fan Unit produces 60 cfm from 115V out of a 4" square frame. This fan can bolt-up or play anywhere that extra air flow is necessary.
The Ventilation Unit is a 4-fan design in an aluminum frame. This Unit fits into 19" width racks or enclosures and takes up only 1 Rack Unit (RU). Each fan offers 80 cfm for maximum cooling and is powered by a 110V AC 6ft power cord.