VALUHEART* Monthly Heartworm Tablets for Large Dogs, treats from 21-40kg. (44-88lbs) Each Pack contains 6 months supply. Valuheart* is a generic brand, that is the same product as another well known brand but with cost savings, to you the customer. Treat once a month to prevent heartworm., works gently, no long-lasting chemicals & no over treating. Each talet contains 240ug/Ivermectim
