Bissell 3950 Velocity Bagless Upright Deep Cleaner 12 amp, upright vacuum cleaner with cyclone technology for cleaner filters Keeps large debris from clogging filters for prolonged, powerful sucking performance Ergonomically designed for maneuverability and cleaning in tight quarters Air-flow indicator shows when filter needs to be cleaned; HEPA filtration Wide cleaning path and more bristles for quickly cleaning in large rooms