The Nilfisk Attix 50 HEPA is a 12 Gallon, wet/dry vacuum built to last. Equipped with a certified HEPA filter, Push & Clean semi-automatic filter cleaning system, and soft-start feature, the Attix 50 can handle the dustiest applications. Contractors prefer the Attix vacs for their low noise level and durability, even in the most challenging environments. Unlike many shop-style vacuums, the Attix 50 won't burn up or burn out. Nilfisk-ALTO works for you.