We have a new product from Bayer - the makers of Advantix, Advantage, and Advantage Multi. Seresto is a flea & tick collar. One collar will last for 8 months. It will kill fleas and repel & kill ticks. They are also water-resistant. They are available over the counter. We carry them for both dogs & cats. Check out our Clinic Specials for information on a $15 Rebate on this new product!