Pneumatic Vacuum Cleaner: Cleantek make pneumatic vacuum cleaners, Explosion proof vacuum cleaner, Heavy duty industrial vacuum cleaner for hazardous and fine pharmaceutical powder cleaning applications. Its filtration system that can handle both wet or dry cleaning usage. Pneumatic vacuum cleaner for industrial cleaning Cleantek make pneumatic explosion proof vacuum cleaners for hazardous and fine pharmaceutical powder cleaning applications. Its filtration system that can handle both wet or dry cleaning usage. Its main filter anti-static copper-blended polyester to assure conductivity to neutralize. The vacuum cleaner can be equipped with an optional grounded HEPA or ULPA filter, achieving 99.999% of all ultrafine particles, down to and including 0.3 microns.