Bayer K9 Advantix 20 (11-20-lbs) (4-pack)

Each package of K9 Advantix for Dogs lasts 4 to 6 months (One vial per month)
Kills 98%-100% of fleas within 12 hours - helpful in dogs with Flea Allergy Dermatitis
Protects against deadly Lyme Disease, spread by ticks
Repels and kills mosquitos, carriers of dangerous West Nile Virus
Water-resistant, easy to apply formula stays on in baths or in the rain K9 Advantix Teal is a once-a-month topical tick, mosquito and flea treatment for dogs and puppies 7 weeks of age and older. It contains imidacloprid and permethrin. It also remains effective after swimming or bathing. This is the ultimate protection for your dog! Each packet contains 4 applications providing 4 months of protection.Effective Flea and Tick Control . . . No Prescription More »