Comfortis is a chewable, beef-flavored tablet that kills fleas and prevents flea infestations on dogs for a full month.. Comfortis starts to kill fleas in 30 minutes and is 100% effective within 4 hours. It's ideal for rapid flea relieve that lasts.
Here are just a few of the features that make Comfortis an ideal choice for convenient, family-friendly flea protection:
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