Cen-Tec Systems CT20DXQD Quiet Drive Vacuum Electric Brush Compatible with major brands of central vac, including: Beam; Nutone; Hayden; VacuMaid; Aggressor; Vacuflo; MD; Canavac; Cyclovac; Air Vac. Excels in deep carpet cleaning Includes wand release, wrap around bumper, headlight, reset button and a height adjustment Quiet Drive poly-v belt is always in contact,, which results in a dual brushed edge cleaning so no dirt escapes Can be used to replace a Nutone CT600 Works with major central vacuum brands as long as one uses a compatible wand and hose set.