This lightweight and durable round aluminum dust brush tool with 5 inch diameter and two rows of natural gentle bristle is perfect for hardwood floors and other surfaces in your home or at workplace. br> This round aluminum dust brush is used with HEPA vacuums. NIKRO- A true innovator in H.E.P.A. filtration offers a complete line of critical filtered vacuums and vacuum accessories for use in removing asbestos, lead, toxic, and nuisance dusts or other applications were H.E.P.A. filtration is a must. For more information about NIKRO visit our NIKRO Brand Page.