This is Australian registered product labelled in kilograms.Specific product information can be found by clicking more info and the detailed product specifications link. Each pack contains 6 ampoules, used as a spot on treatment monthly to prevent heartworms, kill fleas , treat and control ear mites,and treat hookworm and roundworm in cats. Not for use on kittens under 6 weeks of age.Revolution® is a registered trademark of Pfizer Inc.