• Adjustable dosage from 1 mL to 20 mL • 20 mL automatic self-filling rear tube • Designed to be used as an injector or drencher • Double O-ring piston • Metal and durable plastic design • Easy V-grip for high-volume use • Easy to adjust handle tension for improved performance • Easy-to-clean external valves and removable piston shaft • Amber-colored barrel reduces UV exposure Call toll free 1-800-892-6978 or email us at info@animalhealthusa.com