The market leader for HEPA vacuums introduces the newest model to its product line-up. Pullman-Holt's 390ASB is a powerful 4-gallon, dry only HEPA vacuum with exceptional stability. Designed for professional cleaning, this canister style vacuum has a superior, low profile design that meks it extremely maneuverable and easy to use. Unlike similar canister HEPA vacuums, the 390ASB is equipped with a HEPA filter that is individually tested and certified, a standard feature on all Pullman-Holt HEPA vacuums.