🐎 Keep your horse happy and fly-free with nature's touch! Enjoy a pleasant scent while safeguarding your horse. No preservatives or artificial colors—just pure protection. A soothing blend that protects without irritation. Harness the power of nature to keep flies at bay! Available as a ready-to-use spray or mixable concentrate. Gentle essential oils Natural fly control No harmful additives Farnam Nature's Defense is a natural botanical fly spray designed for horses, effectively repelling various types of flies and mosquitoes. This 32-ounce liquid concentrate can be mixed with water for versatile use, featuring a gentle blend of citronella and essential oils, ensuring a fresh herbal fragrance without harmful additives.