These are the specifications I found on the internet. The should be right, so you may want to double check them.
Diversi-Tech FRED Mist Dust Fume Collector (2 Available)
Year 1995
8″ Diameter Dirty Air Inlet
Rated Inlet Capacity: 800 CFM with 6-1/2″ Diameter Pipe
Dirty Air is Drawn in at the Base of the Unit and is Exhausted Out the Top
Filter #1, Polyester Pre-Filter 24″ x 24″ x 2″ Disposable
Filter #2, Aluminum Mesh 24″ x 24″ x 1″ Washable
Filter #3, Polypropylene Weave 24″ x 24″ x 4″ Washable
Filter #4, 12″ Deep 95% Drop Rigid Cell Filter 24″ x 24″ x 12″ Washable
Filter #5, 2″ Carbon Impregnated Pleated Polyester 24″ x 24″ x 2″ Disposable
Filter #6, Optional Hepa Filter Disposable
1-1/2 HP, 3 Phase Motor, Wired for 460v
Overall Size: 32″ x 29″ x 72″ High