$10.40-$34.99 "Kills and repels fleas, ticks, and mosquitos for up to 30 days. Kills flea eggs up to one month and prevents reinfestation. Contains the same Insect Growth Regulator (IGR) found in flea and tick contol products sold by vets. Clearly marked applicator prevents misapplication on cats. Available in 3 and 6 month Supply."