Ultra Shield Green Natural Fly Repellent, 16 ounce spray Catalog Dogs Ultra Shield Green Natural Fly Repellent, 16 ounce spray Manufacturer : Absorbine Horse Care Products | W.F. Young, Inc. Description Repels fleas, ticks, biting flies, mosquitoes, and gnats Eco-safe formula with 7 repellent oils including citronella, geraniol, and cedar Protection that lasts up to 8 hours Available in a 16 oz. trigger spray Rates Please contact us for current pricing and availability.