Quick elimination of existing flea and tick infestations. Uses Fiprinol, the patented active ingredient in the Frontline spot-on products. Kills fleas and ticks for up to 30 days and prevents reinfestation. Available in 250 ml and 500 ml Re-apply after 30 days. Recommended for: Severe existing flea and tick infestations, Multi-pet households and Initial treatment of flea allergy dermatitis (FAD). Typically used by veterinarians, in clinic, for quick treatment. This product can only be shipped vi… read more