4 Months of Advantage Flea Control for Dogs 21 to 55 lbs.
Advantage Flea Control for Dogs 21 to 55 lbs works very fast and provides almost immediate relief from fleas. Advantage kills 98-100 percent of fleas within 12 hours, kills re-infesting fleas within two hours and lasts up to a month per application. Advantage also kills fleas before they lay eggs, so their life cycle is broken.
Contains 4 individual pre-measured tubes, use 1 full tube per month on your dog.