The Elanco Ultra Pest Control Concentrate is a super versatile insecticide that you can use indoors and outdoors. It helps to control flies, beetles, ticks, ants, spiders and other pesky pests. Spray it in and around animal housing, barns, horse stables and animal quarters. This broad spectrum pyrethroid can kill over 60 pests. The concentrate makes two gallons of spray, which is enough to treat 2,000 square feet of space.