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Endure Fly Spray

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Product Overview

How To Use

What’s in it?


Questions & Answers

Product Description

Endure Fly Spray continues working and stays put, even in wet or sweaty conditions. It is the only spray-on fly product that contains RepeLock™, a unique conditioning agent that binds to the shaft of the horse's hair and locks in repellency for as long as two weeks.

What is Endure Fly Spray?

Endure Fly Spray Sweat-resistant formula stays on and keeps working, even in wet conditions. The only fly spray with RepeLock™. An exclusive conditioner that binds to the hair shaft, locking in Endure's fly repellency for up to 14 days.

Who is Endure Fly Spray for?

For use in horses.

Why use Endure Fly Spray?

Features of Endure Fly Spray:
  • Contains sunscreen that protects the coat
  • Kills and repels Lyme disease-transmitting deer ticks
  • Protects horses from lice, ticks, mosquitoes, gnats, and flies

How does Endure Fly Spray work?

This ready-to-use, exclusive formula maintains efficacy through sweat and other wet conditions.


Farnam Companies, Inc.

Active ingredient(s):

Cypermethrin, CAS # 52315-07-8 0.15%
Pyrethrins, CAS # 8003-34-7 0.20%
Piperonyl Butoxide Technical*, CAS # 51-03-6 1.60%
Butoxy Polypropylene Glycol, CAS # 9003-13-8 5.00%

How is Endure Fly Spray sold?

1 qt (.946 L) with sprayer and 1 gallon (3.8 L) containers.

What are the side effects of Endure Fly Spray?

In case of overdose, seek emergency veterinary attention.

What special precautions are there?

  • Do not use in horses intended for food slaughter.
  • Keep away from children.

How can I store Endure Fly Spray?

Store in a dry and cool environment.


Directions For Use
It is a violation of Federal law to use this product in a manner inconsistent with its labeling.
Not for use on horses intended for human consumption. Shake well before using. To protect horses from horse flies, house flies, stable flies, face flies, horn flies, deer flies, gnats, mosquitoes, lice, ticks, and deer ticks that may transmit Lyme Disease: Thoroughly brush the horse's 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. Its unique water resistant formula contains a special conditioner that binds to the hair shaft so it keeps working even in moist conditions or when the horse sweats.
This product may be applied either as a spray or as a wipe. For horse's face, always apply as a wipe using a piece of clean, absorbent cloth, toweling (Turkish) or sponge. Wear rubber glove or mitt when applying as a wipe. Spray or wipe horse's entire body while brushing against the lay of the coat to ensure adequate coverage. Avoid getting spray into horse's eyes, nose or mouth.
Application should be liberal for best results. Reapply every 5 to 7 days under normal conditions for initial applications. As protection builds, reapply every 10 to 14 days as needed. Also, reapply each time animal is washed or exposed to heavy rain.

Main Ingredients

Active Ingredients
Cypermethrin, CAS # 52315-07-8  0.15%
Pyrethrins, CAS # 8003-34-7  0.20%
Piperonyl Butoxide Technical*, CAS # 51-03-6  1.60%
Butoxy Polypropylene Glycol, CAS # 9003-13-8  5.00%
TOTAL:  100.00%
*Equivalent to 1.28% (butylcarbityl)(6-propylpiperonyl) ether and 0.32% of related compounds.

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Endure Fly Spray

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