Interceptor Spectrum Chews for Dogs 11-22kg (Yellow)
Interceptor Spectrum chews protect against five of the common parasites that threaten your dog: heartworm, roundworm, hookworm, whipworm and tapeworm.
Administer one Interceptor Spectrum at the same time each month (for the appropriate weight range).
If your dog has not been on heartworm prevention before, please see your veterinarian before using this product. Use only as per label directions.