Adamsâ„¢ Plus Flea & Tick Collar for Cats will begin to kill fleas, flea eggs, flea larvae, and ticks immediately. For continuous flea and tick protection, replace the collar every 7 months. The active ingredient works its way to the surface of the collar and is rubbed onto the fur of the animal. The active ingredient moves through the oils and from hair to hair to cover the entire body. Wetting will not impair the collar's effectiveness or the pet's protection.

Provides 7-months protection against fleas and ticks.
Keeps working even when wet.
Begins killing fleas, flea eggs, flea larvae, and ticks immediately.
Tetrachlorvinphos 14.55%, (S)-Methoprene 1.02%, OTHER INGREDIENTS 84.43%

Safety Data Sheets:

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[instruction]Slip collar around your cats neck. Leave two fingers room for comfort trim off xcess, leaving 2 inches.[/instruction]

Adams Plus Flea & Tick Collar For Cats & Kittens