Advantus (Imidacloprid) 30-Count Chewable Flea Treatment for Large Dogs between 23-110 Pounds, 37.5mg Price: $56.98 (as of 10/04/2022 15:52 PST- Details) & FREE Shipping.

Contains 30 soft chews: A single dose of Advantus kills adult fleas on a dog. It is safe to repeat treatments as needed, up to once per day
Chewable flea treatment for dogs and puppies age 10 weeks and older
Advantus large dog flea chewables start killing fleas within 1 hour