2 Air Filters Plus 2 Pre-Filters Replace Briggs & Stratton Air Filter 793569 Pre-Filter 793685. Also Same As John Deere GY21055, MUI11511, Mui11513 (Pre-Filter) 2 Quality Aftermarket Air Filters Plus 2 Pre Filters Air Filters Replace Briggs & Stratton 793569 Pre-Filters Replace Briggs & Stratton 793685 Same Also As John Deere Filter Number GY22055, MUI11511, MUI11513 (Pre) ID: 1-1/2", OD: 3", Height: 5-7/8"