Fast, safe, non-toxic impression disinfectant. Only 3 mins needed to kill Bacteria, Fungi and Viruses. Indications: disinfectant for alginate, polyether and silicone impressions. Aldehyde-free. Neutral smell. 1L equals 33L ready-to-use disinfection fluid. Cavex Impresafe 1 Litre Refill • Impresafe • Concentrate • Fast, safe, non-toxic impression disinfectant.