Stens 100-131 Air Filter Replaces Briggs & Stratton 394018S Woods 70301 Jacobsen 5000441 Grasshopper 100920 Briggs & Stratton 5050H Lesco 050367 Briggs & Stratton 4135 Inside Diameter 5-5/8-inch; Outside Diameter 7-inch; Height 2-1/4-inch Do not use this filter on industrial concrete saws Uses our 100-743 pre-filter