Advantage XD Large Cat Flea Prevention & Treatment For Cats over 9lbs. 1-Topical Dose, 2-Months of Protection Per Dose

2 months (1 dose) flea treatment and prevention for indoor and outdoor cats or kittens over 9 lbs., 8 weeks or older, Longer-lasting protection vs. other topical products; 2 months protection per dose, outlasting the typical flea life cycle, Fast-acting treatment starts killing fleas through contact within 30 minutes to 4 hours, Easy-to-apply topical treatment, no prescription needed, Fragrance-free formula, containing a naturally derived ingredient Spinetoram - winner of a Green Chemistry award US EPA Presidential Green Chemistry Challenge. Designing Greener Chemicals Award. 2008.