Cen-Tec Systems 99889 CT20DXQD QuietDrive Electric Brush with Recessed and Flush Wands Compatible with major brands of central vac; including Beam; Nutone; Electrolux; Hayden; VacuMaid; Aggressor; Vacuflo; MD; Canavac; Cyclovac; Air Vac Features include: Height adjustment; large rear wheels; a reset button to protect from jams; easy-release wand connection; wrap around bumpers Excels in deep carpet cleaning