EcoSmart Organic Horse Fly Knockdown Repellent, Best Non-Toxic Insecticide, 24 oz Ready-to-Spray Bottle Naturally and effectively kills and repels horse flies, kills on contact EcoSMART is made from potent plant oils, so it's safe for use on horses, ponies and dogs and there are no overbearing harsh chemical smell and EcoSMART is 100% organic so you can feel comfortable using this completely safe formula around children, unlike other insecticides This environmentally friendly product will not contaminate ground water supplies, hurt mammals, birds or fish Take chemicals completely out of your lawn, garden, and home equation with EcoSMART's all natural, strong insecticides, pesticides, bug spray and more