IVERMAX(R) Ivermectin Pour On for Cattle contains 5 mg ivermectin/ml. It delivers internal and external parasite control in one convenient low-volume application. For the treatment and control of gastrointestinal roundworms (including inhibited Ostertagia ostertagi) lungworms, grubs, horn flies, sucking and biting lice, and sarcoptic mange mites in cattle. | Aspen IVERMAX Ivermectin Pour-On for Cattle Dewormer | Size 250 ml