Durvet Ivermectin Sheep Drench provides treatment and control of adult and fourth-stage larvae of gastrointestinal roundworms, lungworms, and all the larval stages of Nasal Bot. This easy to administer liquid form makes treating your sheep a breeze. WARNING: NOT SAFE OR APPROVED FOR HUMAN USE, WHICH COULD CAUSE SEVER PERSONAL INJURY OR DEATH. | Durvet Ivermectin Sheep Drench | Size 240 ML