K9 Advantix Flea, Tick & Mosquito Prevention for Dogs 21-55 lbs. Flea Drops for Large Dogs Apply Monthly 2 Treatments

An excellent value from the K9 Advantix brand, K9 Advantix Large Dog 30-day treatment & prevention protects dogs 21-55 lbs. from fleas, ticks, mosquitoes, biting flies and lice, Affordable formula works on contact to kill and repel fleas on dogs within 12 hours of application even without a bite, Easy-to-apply topical treatment is fragrance-free and waterproof after 24 hours, No prescription needed