The Intec Force 2 4.0 is a professional cellulose and fiberglass insulation blowing machine with a cellulose production rate at over 2000 lbs. an hour and a fiberglass production rate of over 428 lbs. an hour. It takes the Force 2 less than one hour to install R-30 in a 1000 square foot attic. It's Department of Energy approved oulet pressure of 3.3 p.s.i., slide gate, and variable speed control, allow dense pack of both cellulose and fiberglass possible. The Force 2 has a direct drive transmision, meaning no chains or belts to wear out, adjust, or replace, making this machine extremely reliable. Also the 2 stage, 13.8 amp, 115 cfm at 4.0 psi blower is completely isolated from the insulation material, minimizing down time and maintenance.