Core 600 CFM variable speed professional air filtration device has all the features of larger machines but designed for smaller work areas. Core 600 negative air machine offers versatility in that it can easily handle a wide range of jobs. It is ideal for asbestos and lead abatement, mold remediation or cleaning and restoration jobs. The machine uses a 16" x 16" x 6" HEPA filter and operates from 200 CFM to 600 CFM. Dust filters can also be used which make the unit ideal for dust collection service in construction and renovation work such as concrete resurfacing, drywall work or in any area where air filtration to remove excessive dust is required. Activated charcoal filters can be used as an effective means of odor control, especially useful when remodeling is taking place in office or other areas while they are still occupied. Ships complete with filters. Specifications: 200 CFM to 600 CFM, draws just 1.8 amps, 24" L x 18" W x 17" H, and only weighs 47 lbs.