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Farnam Repel-X Pe Emulsifiable Fly Spray

Farnam Companies, Inc.


The Farnam Repel-X Pe Emulsifiable Fly Spray is an effective, hard-working fly spray, now in a concentrated formula. Simply mix the concentrate with water and save time and money. One quart of concentrate will make 8 quarts of ready-to-use fly spray.

Key Benefits

  • Effective against many different pests: Repellent willl kill and repel horn, house, stable, horse and deer flies, plus gnats, mosquitoes, and ticks.
  • Protect against disease-carrying pests: Kills and repels deer ticks that may transmit Lyme Disease.
  • Fast-action: Kills on contact

Directions For Use

Mix Repel-X ®pe Emulsifiable Fly Spray with water at proper dilution. First, put the required amount of Repel-X ®pe Emulsifiable Fly Spray into sprayer or mixing container. Then add water according to directions, and mix thoroughly before using.

IMPORTANT: Mix fresh solution before each use. Apply with a pressure sprayer, or you can sponge it on horses. Make sure the animal's coat is thoroughly wet. Use approximately 8 oz. for each animal depending on the size of the horse or pony. Avoid getting solution into the animal's eyes.

To protect horses from Horn Flies, House Flies, Gnats and Mosquitoes apply at a 1 to 7 dilution. Each pint of concentrate makes a gallon of finished spray. Repeat application every 3 or 4 days but not more than one treatment a day. Where Horse Flies, Deer Flies (Tabanids), Stable Flies, Ticks, or Deer Ticks, that may transmit Lyme Disease, are a problem, apply 1 to 4 dilution and repeat as often as needed.

Shipping & Returns

  • Important Note: All carriers are experiencing Covid-related delays.
  • Most items ship same or next business day.
  • Free shipping currently on all orders over $49 (Normally $75).
  • View Shipping & Return FAQs here


Active Ingredients

Prallethrin*: 0.27%

Piperonyl Butoxide**: 1.00%

* (RS)-2-Methyl-4-oxo-3-(2-propynyl)cyclopent-2-enyl (1R)-cis, trans chrysanthemate (ETOC ®) ** (Butylcarbityl)(6-propylpiperonyl) ether and related compounds ***Contains petroleum distillate