The K2 and K3 line of vacuums feature strong, solid construction, and cutting-edge innovations such as an electronic keypad with LED indicators that monitor the performance of the main and HEPA filters. Designed to meet a wide range of industrial cleaning challenges, the two-motor K2 comes with a 13-gal. collection container, while the K3, three-motor machine, is available with 13- or 26-gal. capacity. Both can be equipped with multi-stage filtration, including an optional HEPA filter to capture 99.97% of particulate, down to and including 0.3 microns. Kut-Rite Mfg. Co. 734-955-9311.