Prozap Final Fly-T Horse Spray and Wipe Insecticide is a synergized pyrethrin formula that kills and repels flying insects while adding a beautiful shine to the coat. Prozap Final Fly-T kills and repels stable flies, deer flies, house flies, horse flies, face flies, mosquitoes, and gnats. Conditions the coat and provides a beautiful sheen to the hair when brushed. Apply 1 to 2 ounces daily with a soft cloth or as a fine mist spray.