Sprayon® SP857 Blast?Em Wasp & Hornet Killer is perfect for killing wasps, hornets, yellow jackets without getting close to the insects. It contains a high amount of petroleum distillates for the best knockdown and kill rate. The 20 oz. Aerosol comes equipped with the Accu-Sol™ Ergonomic Trigger Spray Nozzle which sprays from a distance of up to 20 ft.