Drawing only 3 Amps and blasting up to 1,600 CFM, an included on board power outlets allows for an extension cord-free set up that is daisy-chainable up to 3 units. Featuring super durable and rugged ABS housing, the X-400A is stackable and weighs less than 20 lbs. ETL/CETL certified to ensure safety, performance, and years of service. Dual thermal protection. Lightweight, compact and durable ABS plastic housing design.