Frontline Combo ensures a continuous protection against lice? chips and ticks thanks to a double action at the same time on adults and immature forms.<br /><br />It eliminates the chips? the ticks and the crushing lice on your animal and protects it from the infections (8 weeks for the chips? 4 weeks for the ticks? 6 weeks for the lice).<br /><br />Frontline Combo Dog Size L 6 Pipettes is designed for dogs from 20 to 40 kg.