TopAir provides high quality, safe Vertical Laminar Clean Benches. The clean benches suck air from the room or hall space, transfer the air through a HEPA filter using a fan, and then clean the bench area with filtered air. In vertical benches, the filtered air is channeled downwards through a filter installed at the top of the bench. All components are produced by leading global companies such as AAF USA. Advanced Operation System: Color 5″ touch screen 10-speed fan Hour counter for filter Filter replacement alarm The clean bench complies with Test Standard USA Federal Standard 209E / ISO 14644-1 / CE and is customized to the specifications of each client. Clean benches are designed to supply a clean controlled work environment meeting Class 100/ISO5 cleanliness standard, resembling a clean room, with the additional advantages of portability and small dimensions. Clean benches provide a high quality alternative to a clean room at a much lower cost and without massive construction.