UltraShield Red kills and repels in 5 different ways. Contains five active ingredients for broad spectrum control. Kills and repels flies, gnats and mosquitoes for up to 7 days. Protects against horse flies, stable flies, face flies, horn flies, deer flies, house flies, black flies, barn flies, cluster flies, sciarid flies, gnats, midges, punkies, no-see-ums, chiggers and fleas. Also kills ticks. Use on horses, ponies, llamas, alpacas, mules and donkeys