Tornado CVD 48 Dual Motor Vacuum 91442Tornado CVD 48 Dual Motor Vacuum 91442 Dual Motor technology offering optimum power through increased rpms and brush speeds Whisper quiet 67 dB Three stage filtration, including a HEPA cartridge Ease of service,Ergonomic design ,Innovative features Tornados new CVD 48 Dual Motor upright vacuums offer optimum power through increased rpms and brush speeds, tackling the most challenging cleaning environments. Individual vacuum and brush roll motors