Beaphar FIPROtec Spot On for Extra Large Dogs is an effective and affordable veterinary strength medicine to control fleas and ticks on your dog. Containing the well-known active ingredient fipronil, Beaphar FIPROtec® Spot-On for Extra Large Dogs effectively kills fleas for up to five weeks and kills ticks for up to four weeks. Suitable for dogs from 8 weeks of age and weighing 40-60kg. All pets are at risks from fleas, even dogs that don't go outside very much, as we can bring them in on our clothes. It is important to establish a regular flea control routine for your pets and your home.