Opti-Force® Horse Fly Spray

Sweat-Resistant Fly Spray for Horses

Opti-Force Fly Spray works on horses and ponies to repel and knock down biting and bothersome flies, gnats, and mosquitoes. The spray is sweat resistant and provides 14-day weather-resistant protection.

  • For use on horses and ponies
  • Sweat resistant
  • Provides repellency and quick knockdown from biting and bothersome flies, gnats and mosquitoes (including Culex species which may transmit West Nile virus)

Available in 32 oz and 1 gal sizes.