XPOWER X-3400A Professional 3 Stage Filtration HEPA Purifier System, Negative Air Machine, Airbourne Cleaner, Scrubber with Power Outlets for Water Damage Restoration, Home, Commercial Use 3-stage filtration system: includes a 2" thick HEPA filter and the option of adding an activated carbon filter Lightweight, compact and durable ABS plastic (the same that football helmets use) housing design Powerful and energy efficient 1/2 HP external rotor induction motor, low 2.8 Amps draw with 600 CFM airflow Built-in GFCI power outlets for daisy chain, variable speed control switch & filter change light indicator ETL / CETL safety certified, dual thermal protection & 1 year manufacturer warranty