Advantage 9 effectively kills 98% to 100% of the fleas on cats within 12 hours after application. One treatment prevents further flea infestations for up to 4 weeks. Reinfesting fleas are killed within 2 hours. Flea larvae are killed following contact with an Advantage 9 treated pet. Active ingredient is imidacloprid 9.1%. Advantage 9 is a once-a-month topical application for cats and kittens 8 weeks and older and under 9 lbs. Always read package labeling and directions prior to using Advantage 9.
- Kills fleas on dogs within 12 hours.
- Kills fleas before they lay eggs.
- Convenient easy to apply.
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