Beaphar FIPROtec Spot-On for Cats kills fleas and ticks on your cat at the time of treatment, and continues to kill fleas for up to five weeks. Suitable for cats over 8 weeks of age and weighing more than 1kg. Cats who spend a lot of time outside are especially at risk from fleas and ticks, but indoor cats should still be treated regularly to avoid a flea infestation. It is important to establish a regular flea control routine for cats and the household. Always use a household insecticide when tackling a flea problem.