HEPA Filter with H12 ClassOur laminar flow hood equipment adopts a dual fan continuous air supply method and uses HEPA filter with H12 Class which can capture/intercept 99.9% of particles with a diameter of 0.3 microns to ensure the cleanliness of the operating area.Widely Applicable FieldsThe mini air filtration system for environments and scenarios that require dust-free operations such as mushroom rooms tissue inoculation and cultivation laboratories display screen maintenance etc.Integrated Filter BoxUnlike traditional DIY filter boxes our box body is processed by pressing welding and surface coating. After receiving it there is no need to install the box body in any way. Users can assemble the accompanying workbench panel according to their actual needs.Replacement FilterThe recommended replacement cycle is about 6 months or the user can replace it according to their own frequency of use.