Cen-Tec Systems CT14DXQD Quiet Drive Vacuum Electric Brush Compatible with major brands of Central Vacuum, including: Beam; Imperium; Hayden; VacuMaid; Aggressor; Vacuflo; MD; Canavac; Cyclovac; Air Vac Excels in deep carpet cleaning Interchangeable with the Nutone CT-600 Quiet Drive poly-v belt is always in contact,, which results in a dual brushed edge cleaning so no dirt escapes Full 14 inch wide cleaning path Requires Cen-Tec Systems integrated electric wand or central vacuum electric wand set to function