General description Beaphar FIPROtec COMBO Spot On for Large Dogs is an effective treatment that contains fipronil and the insect growth regulator S-methoprene. This product not only kills adult fleas, ticks, and biting lice but also interrupts the flea life cycle, preventing any exposed eggs and larvae from developing in your home for up to eight weeks. Technical specifications Kills adult fleas for up to eight weeks Kills ticks for up to four weeks Suitable for dogs over 8 weeks of age Recommended for dogs weighing between 20-40 kg Other information Suitable for use on pregnant and lactating bitches Establishing a regular flea control routine is important for dogs and the household