(12) 20 oz. Cans. KILLS Wasps, Yellow Jackets, and Hornets on contact. Gives rapid knockdown and kill of Wasps, Yellow Jackets and Hornets. Gives rapid contact kill and residual kill of insects returning to the treated nest. Reaches nests more than 20 feet above ground. Dielectric strength of 41,000 volts. Long-range spray.