K & N is the leader in making air filters.   This one lives up the name.  No flashy chrome, just filtering.  Fits onto all Mikuni TM 24mm or 20mm VM carburetors.

Product Style: Round Straight Universal Air Filter
Filter Material: Cotton Gauze
Flange Angle: 10 degrees
Flange Inside Diameter: 1.75 in (44 mm)
Flange Length: 1 in (25 mm)
Flanges: 1
Flange Type: Angled
Height: 4.5 in (114 mm)
Outside Diameter: 3.5 in (89 mm)
Top Material/Finish: None
Top Style: Rubber
Filter Re-Oiling Amount: 0.42 oz (12 ml)
Inner Wire: No
Weight: 0.72 lb (0.33 kg)
Product Box Length: 4.63 in (117 mm)
Product Box Width: 4.63 in (117 mm)
Product Box Height: 7.25 in (184 mm)