THE 5-SECOND TRICK FOR FLOWTRON BK-40D ELECTRONIC INSECT KILLER

The only real other assembly essential to the Flowtron was inserting the octanol cartridge, which slides conveniently in to the cartridge holder on the bottom of the unit. The cartridge lasts about 30 days and expenses about $15 for a substitute three-pack.Say goodbye to pesky flies and biting mosquitoes While using the Outdoor Electrical Bug Zappe