The 240 V V-TUF MIDI H-Class has H14 HEPA filtration that provides the highest level of protection against seriously harmful dust particles, ensuring a safe working environment for all the workforces. H Class Filtration is for extracting highly carcinogenic dusts and substances, formaldehyde, mould, germs, lead, nickel, tar and bacteria, so by using a V-TUF MIDI-H-240 dust extraction vacuum cleaner, you are safe to also vacuum materials such as mica, china clay, gypsum, wood dust such as softwood and hardwood, including MDF, silica dust such as masonry, concrete.