After-sales Service Provided:Engineers available to service machinery overseasHEPA Filter:Efficiency 9.999% at 0.3μmWork Surface Height:660mmDisplay:LED displayAirflow Velocity:Average of 0.3~0.5m/s,air speed adjustablePre-filter:Polyester fiber,washableFront Window:Manual, 5mm toughened glass, anti-UVMax Opening:490mmUV Lamp:Emission of 253.7 nanometersConsumption:350WGross Weight:120kg Show More