These sprayers can vary in size from small ‘personal’ 25ml sprayers, to larger 500ml sprayers. They disperse chemical irritants as a fine spray, mist, fog, or as a liquid stream.
As here are no common standards on the concentration or amount of chemical irritant, safety of solvents, or the pressure of sprays, this may lead to inconsistency and more dangerous products being used. Most sprayers allow continuous spraying with no cut off, and this capability risks excessive amounts being used against a person
