4Month Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sort by editor review Added to wishlistRemoved from wishlist 0 Add to compare Advantage II Large Dog Vet-Recommended Flea Treatment & Prevention | Dogs 21-55 lbs. | 4-Month Supply Added to wishlistRemoved from wishlist 0 Add to compare $50.99