Maintain a safe and productive work environment by exchanging hot or contaminated air using Schaefer low cost galvanized, box exhaust fans. These low cost, high volume exhaust fans are protected from the elements with outlet side aluminum shutters and mount in walls of almost any thickness, typically with the outlet shutter flush, or nearly flush with the outside wall. Fans ship fully assembled with aluminum inlet shutters, self-adjusting belt tensioner and galvanized outlet guard.
Features may include: