Bissell Commercial Big Green Commercial Wide Area Corded Upright Vacuum T Handle Hex Keys ) 300 lb Minimum Blade ) 300 lb Minimum Blade Length 116 (1) top track picking up more dirt across surfaces Walk behind wide area vacuum features a handle that adjusts to five height positions for comfort and safety and folds conveniently for storage Front wheels swivel 360 ° for maneuverability around furniture and other obstacles Extruded roller brush allows you to access hard to reach places A dust retentive felt and outer filter trap dust and dirt Bissell big green commercial wide area upright vacuum is perfect for cleaning larger spaces and delivers 200 CFM for max airflow