NAF Off Extra Effect Fly Spray Refill 2.5L – Natural Insect Repellent for Horses – Effective Against Flies, Midges & Biting Insects – With Citronella – Long-Lasting Summer ProtectionNatural Fly Repellent Summer Spray with Citronella Formulated using essential oils, including citronella, to naturally repel flies, midges, and other biting insects. Provides Summer Protection Helps shield horses during warm months when fly populations are high, reducing irritation and discomfort. Suitable for Daily Use Gentle formula suitable for regular application on all horses, including those with sensitive skin. Economical Refill Pack 2. 5 litre