The Talak 7.9% Indoor/Outdoor Insect Control by Atticus is a concentrated liquid insecticide that effectively kills a variety of pests such as cockroaches, fleas, mosquitoes, ants, and wasps. With a prevention period of up to 3 months, this product is suitable for use in indoor and outdoor areas like baseboards, landscapes, window frames, and under decking. This gallon-sized container is perfect for treating hard-to-reach areas like cracks and crevices, porches, and patios. Made in the United States, this bifenthrin concentrate is an effective solution for keeping unwanted insects at bay.