PSL Advantix II (Rd) Dog (21-55) 4 month- NEW LABEL: This product is a topical flea treatment for dogs in the medium to large size range. It provides four monthly treatments, which helps to prevent and control fleas on your dog's skin. The new label design makes it easy to identify this product as Advantage II Topical Flea Medium Dog Treatment. Overall, I would recommend this product to any dog owner looking for an effective flea treatment that is easy to use and safe for their pet. Advantage II Topical Flea Medium Dog Treatment: This product is a topical flea treatment specifically designed for medium-sized dogs. It provides four monthly treatments, which helps to prevent and control fleas on your dog's skin. The new label design makes it easy to identify this product as Advantage II Topical Flea Medium Dog Treatment. Overall, I would recommend this product to any dog owner looking for an effective flea treatment that is specifically designed for their medium-sized pet. K9 Advantix II Flea And Tick Prevention For Dogs: This product is a flea and tick prevention medication for dogs in the large size range. It provides six monthly applications, which helps to prevent and control fleas and ticks on your dog's skin. The new label design makes it easy to identify this product as K9 Advantix II Flea And Tick Prevention For Dogs. Overall, I would recommend this product to any dog owner looking for a comprehensive flea and tick prevention medication that is specifically designed for their large-sized pet. Dog Flea And Tick Treatment For Extra Large Dogs Over 55 lbs: This product is a topical flea treatment specifically designed for extra-large dogs over 55 pounds. It provides four monthly treatments, which helps to prevent and control fleas on your dog's skin. The new label design makes it easy to identify this product as Dog Flea And Tick Treatment For Extra Large Dogs Over 55 lbs. Overall, I would recommend this product to any dog owner looking for an effective flea treatment that is specifically designed for their extra-large pet. Bayer K9 Advantix II Flea, Tick and Mosquito Prevention for Large Dogs: This product is a comprehensive flea, tick, and mosquito prevention medication for dogs in the large size range. It provides six monthly applications, which helps to prevent and control fleas, ticks, and mosquitoes on your dog's skin. The new label design makes it easy to identify this product as Bayer K9 Advantix II Flea, Tick and Mosquito Prevention for Large Dogs. Overall, I would recommend this product to any dog owner looking for a comprehensive flea, tick, and mosquito prevention medication that is specifically designed for their large-sized pet. Bayer K9 Advantix II Flea, Tick & Mosquito Prevention for Medium Dogs: This product is a comprehensive flea, tick, and mosquito prevention medication for dogs in the medium size range. It provides six monthly applications, which helps to prevent and control fleas, ticks, and mosquitoes on your dog's skin. The new label design makes it easy to identify this product as Bayer K9 Advantix II Flea, Tick & Mosquito Prevention for Medium Dogs. Overall, I would recommend this product to any dog owner looking for a comprehensive flea, tick, and mosquito prevention medication that is specifically designed for their medium-sized pet. Bayer Animal Health K9 Advantix II Extra Large Dog 4-Pack: This product is a topical flea treatment specifically designed for extra-large dogs over 55 pounds. It provides four monthly treatments, which helps to prevent and control fleas on your dog's skin. The new label design makes it easy to identify this product as Bayer Animal Health K9 Advantix II Extra Large Dog 4-Pack. Overall, I would recommend this product to any dog owner looking for an effective flea treatment that is specifically designed for their extra-large pet. Bayer Advantage II Flea and Lice Treatment for X-Large Dogs: This product is a topical flea and lice treatment specifically designed for x-large dogs over 55 pounds. It provides four monthly treatments, which helps to prevent and control fleas and lice on your dog's skin. The new label design makes it easy to identify this product as Bayer Advantage II Flea and Lice Treatment for X-Large Dogs. Overall, I would recommend this product to any dog owner looking for an effective flea and lice treatment that is specifically designed for their x-large pet. Bayer Animal Health Advantage II Medium Dog 4-Pack: This product is a topical flea treatment specifically designed for medium-sized dogs. It provides four monthly treatments, which helps to prevent and control fleas on your dog's skin. The new label design makes it easy to identify this product as Bayer Animal Health Advantage II Medium Dog 4-Pack. Overall, I would recommend this product to any dog owner looking for an effective flea treatment that is specifically designed for their medium-sized pet. Bayer Animal Health K9 Advantix Ii Medium Dog 2-Pack: This product is a topical flea and tick prevention medication for dogs in the medium size range. It provides two monthly applications, which helps to prevent and control fleas and ticks on your dog's skin. The new label design makes it easy to identify this product as Bayer Animal Health K9 Advantix Ii Medium Dog 2-Pack. Overall, I would recommend this product to any dog owner looking for a comprehensive flea and tick prevention medication that is specifically designed for their medium-sized pet. In conclusion, these products are all effective in preventing and controlling fleas and ticks on dogs of different sizes. The new label design makes it easy to identify the specific product for your dog's size range. It is important to follow the instructions carefully and consult with a veterinarian before using any medication on your pet.