ZEP FWH-16 Yellow Jacket Wasp Control Foam Spray, 16-Ounce 16 Oz. Yellow Jacket, And Wasp Foam Has A Jet Blast Of 20' Kills Wasps, Hornets, And Yellow Jackets Fast-acting, Blanketing Foam This Is A Water-based Formula With The Active Ingredients Of Tetramethrin, And Sumithrin