The PAS500 is our smallest and most economical PAS model. At only 48 pounds, it is designed to be hand carried into your house and office with ease, primarily for residential or smaller commercial projects. This basic, no-frills model features a smaller backward-curved motor/blower. It comes with 3 stages of filtration, at 99.97% HEPA filter. This scrubber is ideal for the removal of: mold, construction renovation, painting fumes, etc... The PAS500 can isolate and contain airborne contaminants such as: aspergillus, dirt, dust, drywall dust, sawdust (a known carcinogen), lung damage particulates, smoke, fungi, gases, VOC's, and pet odors.  $849.00