16OZ Hornet/Wasp Killer Kills Wasps, Yellow Jackets, Mud Daubers and Hornets Entrapping Foam Stops Wasps Instantly and Kills Insects That Return to the Nest Jet Spray Reaches Nests 20 Feet Above Ground Kills Insects That Return to the Nest Pinpoint Accurate Foam Reaches Nests Under Roof Eaves, Around Carports, Doorways, Window Frames and Other Outdoor Areas