AERO Wasp & Hornet Killer. Sprays up to 20 feet. Kills wasps, hornets, yellow jackets & bees on contact. Quick kill. Kills the entire nest. Electrically non-conducting. Can be used both indoors (attics) and outdoors on wasp & hornet nests. Contains no CFC'S or other ozone depleting substances. Prevents nesting. Acts as a barrier that prevents insects from entering the home. NET WT: 14 OZ.