Flowtron MA-1000-6 Octenol Mosquito Attractant Cartridges, 6-Pack An effective mosquito and biting fly attractant for use with outdoor insect killers. Propane powered mosquito traps. Unique Octenol scent cartridge releases a proven instinctive lure resulting in increased mosquito and biting fly capture rates, Convenient 6-pack For use with electronic insect killers Safe and easy to install This item is not for sale in Catalina Island