SAE 30 weight Briggs & Stratton lawnmower oil is formulated to meet the unique demands created by air cooled 4-cycle engines-Tested and approved by Briggs & Stratton engineers-Warranty certified and recommended in all Briggs & Stratton manuals-A high quality detergent oil classified SJ/CD by the API-Conveniently sized for today's engines-18 Fl. oz. (.532 L).