Since their invention of the first automatic scrubber in 1953, Clarke continues to lead the industry in design, development, and production of high quality autoscrubbers. The Clarke Focus II 28 Disc 28" Walk Behind Autoscrubber with 312 Ah AGM Batteries (05404A) is no exception to this record, with it's unique features and reliable Clarke construction it will help increase productivity and maximize cleaning results. The mid size Focus II models feature a larger solution and recovery tanks, optional chemical mixing systems, onboard chargers, one-touch scrubbing, and simple squeegee adjustment. The disc model is available in three sizes: 26", 28", or 34" cleaning paths. It is also available with a 28" cylindrical scrub path or in 28" or 32" BOOST versions. Models featuring BOOST technology have superior cleaning efficiency with the ability to scrub directly into corners, less water and chemical usage, longer pad life, and potential to strip floors without the use of chemicals.