Frontline Tri-Act is an antiparasitic used for the treatment and prevention of flea and/or tick infestations when a repellant (anti-feeding) activity against phlebotomine sandflies, biting flies and/or mosquitoes is required in dogs.0 - 40 kg (L): Fipronil 270.4 mg, Permethrin 2019.2 mg.
Frontline Tri-Act 40 - 60 kg (XL): Fipronil 405.6 mg, Permethrin 3028.8 mg.
