Quantity: 2 Air And Pre Filter With Wing Nut And Spacer Fits: 12 083 10-S, 12 083 10, 12 083 16, 12-083-12, 100-957, 24636, M145944, GY20661, 023497, 15-1207, 014760, 5980051, 101-329, 38362, AF9613, 307330, AF-823, 510084, 8310, 50011, K08235F, 261-4257, 30-088, 30-834, 7-02753, 8235, AF-8235, B1AF8235. 2 PACK OF AIR FILTER COMBOS WITH WINGNUT AND SPACER REPLACES 12 083 10-S, 12 083 10, 12 083 16, 12-083-12, 100-957, 24636, M145944, GY20661, 023497, 15-1207, 014760, 5980051, 101-329, 38362, AF9613, 307330, AF-823, 510084, 8310, 50011, K08235F, 261-4257, 30-088, 30-834, 7-02753, 8235, AF-8235, B1AF8235. FITS 7G18, G15, GS25, GS30, GS45, AND GS75 COMMERCIAL WALK-BEHIND MOWERS WITH KOHLER ENGINES. ID: 3 1/4", HEIGHT: 3 9/32", OD: 4 1/2".