Variable Speed Air Scrubber W/ Daisy Chain & 3-Filter Stage System, 1/2 HP - 3 Stages of air filtratoin. Unique and highly innovative air scrubber, the X-3400A. Using the advanced technology 3-stage filtration system that includes a washable nylon mesh filter, pleated media filter and a 2" thick HEPA filter - you can be sure the XPOWER X-3400A Air Scrubbers can contain ground-water contaminants that lead to environmental and human toxicity. The 3-stage air filtration system captures a wide range of compounds and prevents organism migration from location to location. The X-3400A is powered by an external rotor induction motor that produces 600 CFM with less than 3.0A power draw. The X-3400A features variable speed control switch and buit-in power outlet for daisy chain. It's unique, compact size and lightweight design is ideal for water damage restoration jobs. For high purity indoor air, XPOWER X-3400A Air Scrubbers deliver the goods.