Stainless steel SAE 430 body and detachable recovery tank. Equipped with a single phase continuous duty brushless motor which is non-sparking. The unit is also equipped with a true HEPA Filter (H14) which is located upstream of the motor. 2 more HEPA filters (H14) are included within the powerhead making the powerhead elligible for IP6X. This unit is static dissipating and conductive (Category 3 - Zone 22 (Dust)) and can be used for general maintenance. This unit cannot be used to recover conductive or combustible dusts. All of our HEPA vacuum cleaners are Aerosol Leak Tested before leaving our facility.