Universal Clamp-On air filter - round straight

Match the carburetor throat outer diameter with the filter inner diameter (measurements in inches and millimetres).  
It attaches directly to the carburetor mouth, replacing the original airbox and filter element.
Product Information
Brand: K & N
Supplier Reference: RU-0210
Filter Height: 127,00 mm (5,00")
Features: Washable
Base Colour: Red
Colour/Finish: Black, Red
Inner Diameter: 1,69"
Inner Diameter: 43,00 mm
Internal Diameter: 43,00 mm (1,69")
Style: Clamp Mount
Filter Shape: Cylinder
Filter Element Material: Cotton Mesh
Model: Universal
Product Name: Air Filter
Mounting Flange Position: Centred
Units: Unit