Safe and convenient Big Drencher Complete administers life-saving fluids to cattle and other large animals. Drencher Complete has a probe that is ideal for volume drenching of mature cattle. The wide 70mm diameter neck makes for easy filling of dry or liquid concentrates. The easy-grip handle makes it easy to use even with struggling animals. As with all drenchers, care must be taken to allow the animal to adequately swallow during drenching. Bottle holds 2.5 liters.