Flies are filthy and can carry all sorts of germs and bacteria into your home or office. Transporting at least 65 different kinds of disease, you don’t want them around. The average life span of the house fly is approximately 28 days…less if you have Ajax exterminating treat for them. Food and garbage in and around your home allow flies to thrive so it is very important to keep your space clean. It is vital to get rid of flies as fast as possible. Ajax Exterminating recommends removing food that is left out, garbage and other fly attractants such as pet waste, litter boxes, and rotting food.