Advantage comes in the following sizes - small - puppies over 6 weeks and small dogs up to 4kg/9lbs; Medium - 4-10kg/9-20lbs; Large - 10-25 kg/20- 55lbs and Extra Large - Over 25kg/55lbs; Available in both 4 pack and 6 pack.
To gain control on ALL phases of the flea life cycle, please refer to ADVANTAGE II.