EcoSmart has been creating safe, effective ways to eliminate pests and weeds for almost two decades. With their proprietary formulas of essential oils, they are protecting you, your family, your pets and the ecosystem from harmful chemicals and disease spreading pests. The EcoSMART Natural Essential Oil Wasp and Hornet Killer kills with the help of peppermint oil and other active ingredients. Use the wasp and hornet killer outdoors or in your attic to eliminate wasps, yellow jackets and hornets. This wasp and hornet killer spray won't harm fish, wildlife or contaminate ground water supplies. You can feel good about using EcoSmart products in and around your home.