Advantage 40 is an effective pesticide in pipettes for the prevention and treatment of fleas in cats weighing less than 4 kg. Advantage 40, in vials of 0.4 ml, contains imidacloprid, butylated and prevents further flea infestation for 3-4 weeks. Advantage 40 pesticide for cats also can be used in the treatment of flea allergy dermatitis (dap). Advantage in pipettes is practical, effective and lasting. It 'not recommended for use in unweaned kittens under 8 weeks of age.