We carry replacement filters to fit Robovent brand dust collectors including DFS-4000-4 Series, PA-3M-9000-9 Series, and VTX-8000-4 Series. AirMax has buying power and volume discounts that can save you money. As a division of AM Industrial, AirMax carries air filters for all your dust collection systems for most applications. Browse our Robovent cartridge filters by selecting your dust collector model below. Most of our filters are kept in stock and are available to ship to your facility on the same day.