The Express Air Beast 600 CFM poly air scrubber delivers powerful, variable airflow from 250–600 CFM to remove dust, mold spores and particulates on construction, restoration and remediation sites. Its three‑stage filtration includes a 99.97 % HEPA filter, filter‑monitor gauge and hour meter. The lightweight, corrosion‑resistant polyethylene cabinet is stackable and supports daisy‑chain operation for multiple units.