Frontline spot on for dogs is a treatment for the prevention of fleas and tick infestation in dogs while also effectively controlling biting lice for dogs frontline spot on kills 98 100 of fleas within 24 hours of use for up to 8 weeks and also prevents re infestation by adult and immature ticks for up to 1 monthfeaturesbull pack conatins 3 pipettes of 268mlbullsuitable for dogs weighing between 20 to 40kgbullprotects against fleas and ticksbullkills 98 100 o