Air Filter Set for Bobcat S130 S150 S160 S175 S185 S205 Skid Steer Loader and other applications P181052 AIR FILTER, PRIMARY FINNED Product Attributes Outer Diameter: 5.24 Inches (133 MM) Inner Diameter: 2.64 Inches (67 MM) Length: 10.98 Inches (279 MM) Minor OD: 0.67 Inches (17 MM) Efficiency: 99.9 Percent Efficiency Test Std: ISO 5011 Family: FWG Type: Primary Style: Finned Media Type: Cellulose P123160 AIR FILTER, SAFETY Product Attributes Outer Diameter: 2.60 Inches (66 MM) Inner Diameter: 2.17 Inches (55 MM) Length: 10.00 Inches (254 MM) Efficiency Test Std: ISO 5011 Type: Safety Style: Round