Bayer Seresto Flea & Tick Collar for Dogs Fake vs Real
Counterfeit collar vs authentic collar comparisonGo to the website petbasics.com which is owned by Bayer. If you use the product locator and enter your zip code, you will get retailers who are authorized distributors. Additionally, if you buy a Seresto collar, you can call Bayer at their toll free number to give the lot number on the can as well as the serial number printed on the collar itself.