Noted as the \"World\'s Quietest\". Billy Goat\'s new 33\" QUIETVAC 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. The unit replaces our legacy VQ series and is ideal for wide area commercial, industrial and municipal cleanup applications such as tarmac, school grounds, hospitals, hotels, parks, churches, airport pedestrian areas, city streets and footpaths! QUIETVAC is the first pedestrian vacuum that has a shift-on-the-fly, hydrostatic transmission with infinite forward and reverse speeds making the unit nimble and easy to manoeuvre in tight areas, wide open areas or while driving or pushing manually. The unit is loaded with other features and provides the ultimate in quiet, low dust