Glen 20 spray disinfectant original can help protect your family by working to prevent the spread of germs. Dettol glen 20 is fast, easy to use and effective at:. • Killing 99. 9% of germs and viruses on hard and soft surfaces. • Killing the source of mould allergens and controlling the growth of mould and mildew on hard surfaces. • Eliminating odour causing bacteria to leave your home smelling fresh and clean. • Get to the source of the odour without heavy perfume and eliminates damp musty odours in areas where air does not circulate. Dettol glen 20 spray disinfectant kills the following germs and viruses:. • Germs - e. Coli, salmonella choleraesuis, staphylococcus aureus, pseudomonas aeruginosa, streptococcus pyogenes. • Viruses - rhinovirus type 37 (a leading cause of the common cold), influenza type a (h1n1), poliovirus (on hard surfaces only), rotavirus sa11, adenovirus (on hard surfaces only), avian flu virus, herpes simplex virus type 1 & 2.