Repel and eliminate flying insects with Konk 409 Air Guard insecticide and dispenser insecticide kit. The safe, quiet and efficient aerosol dispenser automatically emits insecticide at regular intervals for a continuous zone of protection from mosquitos and other flying pests. The dispenser can also be used as an automatic deodorizer to mask unwanted smells. A single can protects a 6000 cubic foot room (170 cu. m) for up to 30 days.