A well-rounded accessory-the HEPA vacuum cleaner filter from ulsonix Do something good for yourself and for the planet! With the round HEPA vacuum cleaner filter FLOORCLEAN BS-FILTER from ulsonix's comprehensive industrial equipment selection, you can significantly reduce the emission of hazardous dust from your industrial vacuum cleaner. Eco-friendly—filter reduces dust emissions Simple—installation without tools Durable—suitable for 6 - 12 months of use Safe—metal mesh protects filter from damage Clean—easy to clean Compatible—for ulsonix ash vacuums ASHCLEAN 20B, ASHCLEAN 20SW and ASHCLEAN 20BW