Product Description Beaphar Small Animal Anti-Parasite Spot On is an easy to use treatment for rabbits, guinea pigs, rats and ferrets. Contains 4 ready-to-use pipettes, Easy to apply, convenient and effective. One pipette lasts for up to 4 weeks. A approved veterinary preparation containing ivermectin. Simply squeeze the contents of the pipette onto the back of your pet to control external parasites such as mites, lice, fleas and ticks, plus internal parasites such as roundworms. This size of treatment is suitable for use on animals over 300g, such as rats, guinea pigs, rabbits, and ferrets. Each box contains 4 pipettes. Ingredients Ivermectin 15ugAmazon. It also analyses reviews to verify trustworthiness.