Advertise Here view pricing Advantage Multi (Advocate) Large Dogs 20.1-55 lbs (Red) 3 DOSES Share this post: View Details $45.68 Advantage Multi (Advocate) Large Dogs 20.1-55 lbs (Red) 3 DOSES Similar products RSPCA Monthly Heartworm Tablets Large Dog 45-88lb (Orange, 21-40kg) 12 TABLET View $48.58 Broadline Spot-On Solution Broadline Spot On for Large Cats 5.5 to 16.5 lbs 12 PACK View $121.68 Frontline Plus (Known as Combo) for Small Dogs up to 22lbs (Orange) 3 MONTHS View $18.99 Interceptor For Dogs 51-100 lbs (White) 3 CHEWS View $38.17 Nuheart Generic Heartgard for Large Dogs 51-100lbs (Red) 6 TABLET View $27.2