Applicator Gun (Implant Tool) (No Prescription Required) - Part No. CIDR Implant Tool

CIDR Applicator gun (Implant Tool) to insert the CIDRs into the vagina of the heifer or cow. There are two sizes as you can see. Zoetis says that the blue one is for Dairy cattle and the green one is for Beef cattle. We have both and so it would be your choice. They are priced the same.