Beaphar COMBOtec® Cat (>1kg) contains a combination of Fipronil and the insect growth regulator (S)-Methoprene. As a result, a flea infestation is controlled more quickly. COMBOtec® kills fleas for 4 weeks and prevents new fleas in the environment for 6 weeks by preventing the development of eggs, larvae and pupae. Kills ticks for 2 weeks. Kills biting lice. Suitable for cats with a weight 1kg or more and an age from 8 weeks. Safe to use during pregnancy.