The Hygiene Boot Washer is the same compact design as the Boot Washer but has been adapted so that it complies with hygiene regulations.  When filled with disinfectant or detergent, the Boot Washer can be used to meet sterilization requirements as in the food and livestock industries.  This makes it indispensable in any situation where hygiene Health & Safety has priority. It can be used as a stand alone unit - simply fill with water and detergent and fit the access caps to contain the liquid for repeat washing without draining.  Alternatively attach a hose for continuous sprinkling and draining.Only order this version if you need to meet UK Standards requirements . ie food industry.