Fleetguard AF1687 Inner Air Filter Models 150, 165, 168, 175, 185, 188, 2000, 2110, 230, 2310, 240, 3000, 3310, 3610, 4000, 4410, 4600, 4610, 50B, 50H, 6410, 180, 20B, 20F, 30E, 40, 2110