This natural gentle replacement bristle is used with Nikro 3'' Round Plastic Brush tool to perform the best quality cleaning of hardwood floors and other surfaces in your home or at workplace. NIKRO- A true innovator in H.E.P.A. filtration offers a complete line of critical filtered vacuums for use in removing asbestos, lead, toxic, and nuisance dusts or other applications were H.E.P.A. filtration is a must. Efficient, economical, and versatile, NIKRO H.E.P.A. filtered vacuums come in a variety of sizes, styles and configurations to better suit your cleaning needs.