Merial FRONTLINEPLUS6-BLUE Frontline Plus 6 Pack Dog 23-44 Lbs. – Blue

Frontline Plus (OTC)Frontline Plus is a monthly topical flea and tick preventative for dogs and cats. Frontline Plus kills 100 percent of adult fleas on your pet within 18 hours and 100 percent of all ticks within 48 hours. Frontline Plus contains an insect growth regulator, S-methoprene, which kills flea eggs and larvae. Its effective against all stages of the brown dog tick, the American dog tick, the lone-star tick and the deer tick (the major carrier of Lyme disease). Frontline Plus remains waterproof for 30 days.