PRORAM pleated nanofibre cone air filter with integrated velocity stack, 102mm (4") flange OD. High-flow synthetic nanofiber filtration media pleated to maximise surface area. Aluminium powder-coated black base, 195mm base diameter, 325mm overall length, 120mm top diameter. Universal -- designed to fit any vehicle with a matching MAF/inlet size; measure your intake pipe/MAF housing diameter before ordering (not suitable for soft silicone hoses).