Features a unique, updated double-wall polymer cabinet and design that produces exceptional airflow and durability to make your jobs easier and more profitable. Amazing peak airflow of up to 750 cfm – up to 50% more than the competition – the PRED750 can help you get the job done faster and better using fewer units.  Compact and lightweight at only 35-pounds and operates on 1.9 amps or less.  Variable speed airflow capable of providing 6 air changes per hour (ACH) in containment areas as large as 6,000-7,500 cubic feet.  Combination rotational molded and injection molded high-density polyethylene cabinet provides the precision and ruggedness to stand up to the toughest jobsite conditions.  Unique “no tools needed” cabinet design provides easy access for fast pre-filter and HEPA filter replacement.  Robust gasket protects against pre-filter bypass while the rigid, dual wall sealing surface ensures that dirty air cannot bypass the HEPA filter and compromise filtration efficiency