2 Quality Air Filters, 1 Outer Plus 1 Inner Outer Compatible with: Ariens: 00181071, 21536900, 21537000, 21538600 Bobcat: 4114746, 4164630, 6672467 Briggs & Stratton: 4235, 841497 Case: 86401594, 87300178, 87300179 Caterpillar: 1213661, 1467472 Clark Equipment: 6672467 Club Car: 102498601 E-Z-GO: 72987G01 Exmark: 103-1327 Ferris: 5022892X1, 5023141, 841237 Grasshopper: 100936 Gravely: 21536900, 21537000, 21538600 Grove: 9304100193 Hustler: 785261 Hyundai: GG1-104170 Jacobsen: 5000919 John Deere: M131802, M144100, M164264, MIU12457, PMAF25551, RG60690 Kawasaki: 11013-7020, 11013-7044 Kohler: 25 083 01, 25 083 01-S Kubota: TA040-93230 Land Pride: 839-323C New Holland: 86519866, 86549700, 87300178, 87682988 Snapper Pro: 5101543 Toro: 108-3810, 98-9763 Vermeer: 224258007 Inner Compatible with: Ariens: 21536900, 21538700 Bobcat: 4114747, 4167145, 6669548, 6672468 Briggs & Stratton: 4236, 821136 Exmark: 103-1326 Ferris: 5022892X2, 5023140, 841238 Grasshopper: 100937 Gravely: 21536900