EFFITIX 20-40KG is a premium flea and tick treatment designed for dogs weighing between 20-40 kg. This single pipette delivers powerful protection against fleas, ticks, and lice with a fast-acting formula that begins working within hours of application. Simply apply the contents of one pipette directly to your dog's skin at the base of the neck, where they cannot lick it. The treatment provides continuous protection for up to four weeks, making it an effective solution for maintaining your pet's comfort and health throughout the season. Ideal for medium to large breed dogs, EFFITIX offers reliable parasite control with minimal hassle. Each pipette is individually packaged for convenience and hygiene. Consult your veterinarian before use to ensure this product is suitable for your pet's specific health needs.