Tri-Tec 14™ Fly RepellentKey Benefits Tri Tec 14 Fly Repellent is a water based formula that means business. Protect your horse against six types of flies plus gnats, mosquitoes, lice and deer ticks. Keep a bottle in your tack box for on the go use and another at the barn for fast, economical refills. Protects against horse, house, stable, face, horn and deer flies, plus gnats and mosquitoes Protects against deer ticks that may transmit Lyme disease Quick knockdown and long