Advertisement 5)&3&h4.0/&:*/5)&%6$54 With Rotobrush ® , you get so much more than duct cleaning equipment. You get a partner who offers the entire package—one who’s with you every step of the way in your business. HOW MUCH EASY PROFIT ARE YOU LEAVING ON THE TABLE? THE ai R+ The industry leader THE BRUSHBEAST ™ This easy-to-use system offers big power in a compact unit: up to a 90 percent increase in vacuum power to remove the heaviest buildup in air duct systems! THE R5000 Four lightweight modular components make this negative air machine a positive for your remediation projects.