Valuheart Dog Gold Large 6s is made for dogs weighing 21–40kg, offering a size-specific option for larger breeds. With six treatments in each pack, it is a practical choice for pet parents shopping for dog heartworm protection in the correct weight range. Key Features of Valuheart Dog Gold Large • For dogs 21–40kg • Large dog size range • Pack of 6 treatments • Weight-specific dog care product • Suitable for larger breed households