Arnold Briggs & Stratton BAF-125 Air Filter for 6-6.5 HP Vertical Shaft Engines Replacement Air Filter with Pre-Cleaner Fits Briggs & Stratton 6-6.5 HP vertical shaft engines Contains one filter and pre-filter OE # 273185 Replacement air filter with pre-cleaner Fits Briggs & Stratton 6-6.5 HP vertical shaft engines, and Yard Man 106c, 418d, 10c mowers Replaces Briggs & Stratton air filter model 497725 Measures 3-3/4" x 2-3/8" x 2-1/4" Contains one filter and pre-cleaner filter