AmairCare Roomaid Portable HEPA Air Cleaner (Pure White) Compact & Super-Lightweight: Doesnt take up much space in your room, workspace or hotel room. Weighs just 4.5 lbs and is easy to move wherever you need clean air. Snap-ON Filter Housing: Main filter cartridge is easy to pop off, providing access to change the third-stage filter. 3-Stage Filtration: Captures large particulate with the first stage prefilter, harmful and irritating particulate with the second stage HEPA filter and chemical/gas pollution with the third stage VOC filter. *Optional third stage filter available. DC Motor: Cleans the air at a low running cost and minimal drain on electrical resources. Steel Construction & Baked Thermoset Powder Finish: Durable, long-lasting housing that doesnt off-gas chemicals, true to the integrity of providing clean air.