About This Product<br/>Bob Martin Clear Plus 268mg / 241.2mg Spot-on Solution for Large Dogs kills fleas and ticks, as well as biting lice. Each treatment kills fleas within 24 hours and for up to 8 weeks, and ticks within 48 hours and for up to 4 weeks. It contains Fipronil plus (S)-methoprene, an insect growth regulator, which inhibits the development of flea eggs, larvae and pupae for up to 8 weeks after application, preventing re-infestation of the pet's home environment.<br/><br/>Effective Flea Control<br/>Regular treatment of all cats and dogs in the home, together with regular vacuuming of your pet's bedding and resting areas, is needed to protect your pet and home from fleas. If there is an existing and heavy infestation in your home, it may also be necessary to treat the home with an approved home flea product.
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