Pro-Force Fly Spray provides rapid knockdown, kill and repellency for up to 14 days. For use on ponies, horses, dogs and as a premise spray. Kills and repels 14 insects, including carpenter bees, no-see-ums, and the Culex mosquito that may carry and transmit West Nile virus. Kills fleas and ticks on dogs.

Contains 0.2% permethrin, 0.1% pyrethrin and 0.48% n-octyl bicycloheptene dicarboximide.