Festool CT 22 E 5.8 Gallon Dust Extractor Automatic Tool Start & adjustable suction with tool triggered or manual on-off switch and infinitely variable suction force, can be used wet or dry. Supplied with 11-1/2 foot long anti-static hose that is flexible and kink-resistant and will minimize shock hazards as well as reduce static cling. Sys-dock feature allows for the storage and transport of Festool Systainers (not included0 on the top of the flat, low-profile unit. Large wheels, low center of gravity, and ergonomically balanced design allows you to move the CT effortlessly around the jobsite. Equipped with two HEPA main filters that are flat and are positioned over the collection area for maximum capacity with a compact design.