Flies don't take a day off, and neither should your horse's protection. The Farnam Endure Gold Killer Fly & Mosquito Spray delivers fast-acting, long-lasting fly control to help keep your horse comfortable during turnout or out on a ride. This premium horse fly spray kills flies, mosquitoes, and ticks on contact while repelling biting insects for up to 14 days, reducing the need for frequent reapplication.

Powered by six advanced active ingredients, including Acetamiprid and Farnam-exclusive, EPA-approved Etofenprox, this next-generation equine insect repellent provides rapid knockdown of horn and face flies in as little as 15 minutes. Field-tested by equestrians and formulated to withstand heat, sweat, and turnout, the non-oily formula continues to work through the demands of everyday horse life, providing dependable protection from sunup to sundown.

• Never-Before-Seen Active Ingredients for Equine Applications
• Non-Oily, Ready to Use Formula
• 6 Combined Active Ingredients Work Repel and Kill Flies
• EPA Approved Ingredients, Acetamiprid + Etofenprox
• 14 Days of Fly Control and 7 Days of Mosquito Control
• Works on Flies, Mosquitos, and Ticks
• Stays on Through Heat, Sweat, and Turnout
• Rapid Knockdown Technology

Farnam Gold Fly Spray Kills & Repels:

House flies, stable flies, face flies, horn flies, black flies, and biting midges, plus gnats, mosquitoes, and ticks, including deer ticks that may transmit Lyme disease.

Instructions for Use:

Shake well before using. Thoroughly brush the horse's coat before application to remove loose dirt and debris. For dirty horses, shampoo and rinse thoroughly. Wait until the coat is completely dry before applying.

Ingredients:

Acetamiprid (0.25%); Pyrethrins (0.20%); Etofenprox (0.50%); Morpel 326 – Di-n-propyl isocinchomeronate (0.50%); Piperonyl Butoxide (1.50%); Stabilene – Butoxypolypropylene Glycol (5.00%)

Ingredient Breakdown:

Acetamiprid:

In Endure® Gold, Acetamiprid helps deliver long-lasting, dependable insect control. It enhances performance against pests that may not respond as well to traditional fly spray ingredients, helping maintain protection in real-world barn and pasture conditions. It works by targeting an insect's nervous system at the nicotinic acetylcholine receptors, helping deliver effective, reliable control even in challenging insect conditions.

Etofenprox:

Etofenprox is a modern, broad-spectrum insecticide used to control common pests such as mosquitoes, flies, fleas, and ticks. It is valued for its effectiveness and versatility across many environments. In Endure® Gold, Etofenprox helps deliver dependable protection against biting insect pests that impact horses' comfort and performance.