The RCU-H7 model has the following features: <ul> <li>Cleans up to 8, 000 square feet</li> <li>3-Stage motor</li> <li>120 Volts</li> <li>4 Gallon bag capacity, 4.5 gallon canister capacity</li> <li>SilentRun™ technology</li> <li>Muffler</li> <li>Diameter: 12 inches</li> <li>Height: 40 inches</li> <li>112 CFM</li> <li>157 Inches IOW</li> <li>655 Air watts</li> <li>Limited lifetime warranty</li> </ul>