Due to a production fault we have some limited stock of Konk aerosol cans that are suitable for hand-held use. These sprays have the same commercial-grade ingredients as Konk manufactured for dispensers. They are offered at a reasonable price. If you want fly and insect spray that is extremely effective, then these hand-held aerosols will be ideal but should be used sparingly, especially domestically. Use to target insect or wasp nests, grass-fly invasions, rubbish bins, poultry and livestock areas etc. NOTE: These aerosol cans cannot be used in dispenser.