Billy Goat’s 33” QUIET VAC™ touts the lowest noise level in its class and features unique cyclonic filtration, along with exclusive dust sock technology that dramatically reduces dust in dry conditions, and takes our industrial class hard surface unit to the next level. Ideal for wide area commercial, industrial and municipal cleanup applications such as tarmac, school campuses, hospitals, hotels, parks, churches, airport pedestrian areas, resorts, city streets and sidewalks!