To help you accurately understand the product markings, the following is clarified:1.The markings "EPM" or "EPM010" on the product are for internal use only.2.The different options such as "EPM010", "EPM020", or "EPM030" shown in theattribute diagram are not related to the markings on the product.3.Important Note: The product you ultimately receive will correspond to the optionyou selected when placing the order.