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Farnam Endure Fly Spray

The average rating for this product is 5 out of 5 stars 59 Reviews
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Farnam Endure Fly Spray
  • Unique formula stays active through sweat or in wet conditions
  • Protects against biting or nuisance flies, gnats, deer ticks and lice
  • Provides quick repellency and knock down of mosquitoes
  • Exclusive Repelock® conditioner binds to hair shaft to lock in repellency
  • Provides up to 14 days of fly control
  • Sizes: 32 oz. or 128 oz.
  • Made in the USA

Stays active and keeps working, even in wet conditions. Provides up to 14 days fly control. RepeLock® conditioner binds to the hair shaft and won’t sweat off. Endura protects against biting and nuisance flies, gnats, deer ticks and lice. It provides repellency and quick knockdown of mosquitoes. The only fly spray with RepeLock® formulation. RepeLock® formulation is an exclusive conditioner that binds to the hair shaft, locking in the fly repellency of Endure® fly spray. This unique formula stays active even when your horse sweats or in wet conditions.


Insects it kills:
Horse flies, house flies, stable flies, face flies, horn flies, deer flies, gnats, mosquitoes, lice, tricks and deer ticks that may transmit Lyme disease


Active Ingredients:

  • Cypermathrin CAS...0.15%
  • Pyrethrins, CAS...0.20%
  • Piperonyl Butoxide, Technical...1.60%
  • Butoxypolypropylene Glycol...5.00%
  • Other ingredients...93.05%



  • Thoroughly brush the horses coat prior to application to remove loose dirt and debris
  • For dirty horses, shampoo and rinse thoroughly
  • Wait until coat is completely dry before applying Endure® Sweat-Resistant Fly Spray For Horses
  • Spray horses entire body while brushing against the lay of the coat to ensure adequate coverage
  • Avoid getting spray in horses eyes, nose or mouth
  • Reapply every 5-7 days under normal conditions for initial application
  • As protection builds, reapply every 10-14 days as needed
  • Also reapply every time horse is washed or becomes wet


For Face:

  • Can be used as a spray or a wipe
  • Apply as a wipe using a piece of clean, absorbent cloth, toweling or sponge
  • Rub towel/hand over eyes, ears and other parts of face
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Brand Farnam
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