Ortho® Home Defense® Hornet & Wasp Killer7 is the one product you need to protect against hornets, wasps, yellow jackets and other listed insects. You no longer have to stand close, the jet spray reaches nests up to 20 feet about the ground! The foaming spray traps wasps and hornets inside the nest, providing rapid knockdown and kill. It also kills the hornets and wasps that return to the nest after it has been sprayed. Kills wasps, yellow jackets, mud daubers and hornetsEntrapping foam stops wasps instantly and kills insects that return to the nestJet spray reaches nests up to 20 feet above groundPinpoint accurate foam reaches nests under roof eaves, around carports, doorways, window frames and other outdoor areasKills insects that return to the nest