Certifect for Medium Dogs 23-44lbs, 3pk
Certifect is a monthly topical application that is specifically designed to protect your dog from fleas, lice and ticks. The advanced formula starts killing ticks within 6 hours of application. Kills adult fleas, flea eggs and larvae. Ticks detach as soon as as applied to infected dog. Formula is long lasting and waterproof.
Fipronil-9.8%, (S)-methoprene-8.8%, Amitraz-22.1%
Each box contains a 3 month supply.
Please read all instructions and information on package before using.