Advantage II for Cats (12 Pack)

This topical treatment kills fleas and their larvae quickly and effectively, preventing related health issues and lasting a month.

• The description claims that it kills fleas quickly, reducing the risk of secondary problems.
• The description claims that within 12 hours, 98-100 percent of fleas are dead.
• The description claims that it kills over 99% of flea larvae within 20 minutes.
• The description claims that it kills 100% of chewing lice within one week and lasts for a full month.
• The description claims that it is waterproof.