No more clogged filters – the AUTOCLEAN (AC) automatic main filter cleaning keeps the filter clean and provides a continuously high suction power. With its huge container capacity of 12.7 gallons (48 liters), the CT 48 AC provides maximum volume and a high degree of flexibility. Equipped with swiveling front casters and large rear wheels for optimum mobility. It also has a locking brake that provides stability on any surface as well as during transport. The flat filter fully integrated with the suction head ensures the full volume of the tank is utilized: This means that the gross and net container volumes are nearly identical. The extremely compact high-performance turbine provides the right suction power. A 137 CFM volume flow means that virtually nothing remains except clean air.