It is designed to disinfect the soles of the footwear of the staff before entering the sanitary area. The disinfecting bath is equipped with a two-level grille for removing liquid droplets with anti-slip coating. The disinfectant is poured into the bathtub so that the lower level the grilles have been treated with disinfectant. In this way, the staff, passing through the sanitary lock, disinfects the soles of shoes and shakes off the excess disinfectant in the bathtub. The grille has a design that is easy to dismantle, enabling it to effective cleaning.