The inlet flange on this filter is inverted so will fit between 10mm and 13mm
 

K&N White Breather filter  62-1600WT
Product Style: Rubber Base Crankcase Vent Filters
Flange Inside Diameter: 0.375 in (10 mm)
Outside Diameter: 2 in (51 mm)
Height: 1.75 in (44 mm)
Top Style: Metal
Top Material/Finish: Chrome
Filter Material: Non-woven Synthetic
Base Outside Diameter: 2 in (51 mm)
Flange Inside Diameter 2: 0.5 in (13 mm)
Flange Length: 0.5 in (13 mm)
Flange Type: Centered
Top Outside Diameter: 1.5 in (38 mm)
Weight: 0.02 lb (0.01 kg)