Clean air makes your machine live longer, so we’ve installed air pre-filters. The air pre-filters ensure your machine requires less maintenance. All our models also feature the most efficient cleaners to remove water, dust and particles and offer your investment optimal protection. At Doosan, we take the lifetime of our machines very seriously. Like us on http://facebook.com/DoosanEquipmentEurope Follow us on http://twitter.com/DoosanEquipment Visit us at http://doosanequipment.eu