Baitaihem Pack of 2 Motorcycle POD Air Filter Dirt Pocket Bike ATV Pit Bike 35 38 39 40 42 46 48 50 52 54mm (42mm) Pod rubber mount is ribbed internally for secure mounting to carb Internal diameter of filter pods:42mm Overall length of filters is 85mm Overall width of filters is 75mm Package Including:2 pcs of Air Filter