- This is the small size disinfectant spray we have in the Biohazard range and can be used to replace used disinfectant bottles our of Biohazard Kits* The disinfectant is applied to infected area after using absorbent powder/granules for complete sanitation of contaminated area* Can also be used in any first aid or medical kit, where you require the need to disinfect a surface affected by blood, vomit and other body fluids