No more clogged filters the AUTOCLEAN (AC) automatic main filter cleaning keeps the filter clean and provides a continuously high suction power. The CT 36 AC is designed to be used with the PLANEX and PLANEX easy drywall sanders. With it's huge container capacity of 36 l, the CT 36 AC provides maximum volume and a high degree of flexibility. Equipped with swiveling castor wheels and 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 in the suction head ensures the full volume is utilized, this means that the gross and net container volumes are virtually identical. The extremely compact high-performance turbine provides the right suction power. A 137 cfm (3900 l/min) volume flow means that nothing remains except clean air. Outfitted with both a HEPA filter and automatic filter-cleaning mechanism the powerful CT 36 E HEPA AC is ideal for working with high-volume dust tasks and larger machines such as track saws, routers, hammer drills and for those tasks, as defined by OSHA Table 1, related to silica dust. With 137 cfm and a super quiet 62 dB (low setting) the Festool CT 36 AC is a specialty dust extractor designed to the mate with the Planex drywall sander. It's nearly 10 gal capacity is combined with an auto-cleaning feature that knocks dust-free from the filter ensuring maximum suction throughout the work process. This ensures maximum suction even when collecting very fine dust particles, such as drywall dust. The frequency of the filter cleaning is controlled by a dial and can be turned off allowing the CT 36 AC to be used as a regular dust extractor. Includes a very lightweight specialty, flexible hose for use with the Planex drywall sander.