The Supervet 25ml Refill Drencher-Vaccinator is adjustable to handle most drenches and solutions for use on cattle and sheep. Refills automatically from container. Has dripless, stainless steel drench nozzle and a virtually unbreakable, graduated, transparent barrel. Dosage can be set from 2.5 - 20 mL. Comes with oral nozzle, feeding tube, washer kits, and injector kit for vaccination