Walk-Behind Scrubber Drier

The National Archives has a requirement for a Walk-Behind Scrubber Drier, which will be used indoors to clean floors with both Amtico tile finish and Terazzo marble tile finish. We require the device to be battery operated, and it should ideally cater for the cleaning of a 1,000 to 2,500 square meter area on a single charge. We have identified the Karcher B60W as a suitable product, but we are happy to receive proposals for alternative products. The National Archives requires the product to be delivered to us by Ma...