PrestiVac is a manufacturer of premium quality industrial vacuum systems for a wide variety of industrial operations. We specialize in design and manufacture of Explosion Proof Industrial Vacuum Cleaners for Hazardous Locations. PrestiVac Explosion Proof / Dust Ignition Protected vacuums are specifically designed to safely vacuum explosive, combustible dusts. Our Explosion Proof / Dust Ignition Protected vacuums comply with NFPA guidelines and are an effective tool for good housekeeping practice as per OSHA.