The product is a new OEM 5/16" in-line filter specifically designed for fuel systems in outboard engines, manufactured by Mercury Marine/Quicksilver. With the manufacturer part number 35-816296Q2, this filter is a reliable and high-quality component for maintaining the proper functioning of boat engines. Designed by a trusted brand in marine engineering, this filter ensures efficient and clean fuel flow, making it an essential part for optimal engine performance on the water.