HIFLOFILTRO Foam Air Filter HFF4030 category-base-layer Fit: Out standing comfort with

Fit: Out standing comfort with first-class fit even for wide feet

Very light and safe thanks to its HPTT shell

Includes strong and durable C49 high-carbon steel sprockets

Constructed from durable steel for strength and durability

HIFLOFILTRO Foam Air Filter HFF4030 category-base-layer Fit: Out standing comfort withHIFLOFILTRO dual stage racing foam air filters are manufactured using a special dual layer foam, formulated to maximise filtration with optimum air flow for improved power. Top quality materials and superior construction allow the filter to be used over and over again without any loss of performance. HIFLOFILTRO filters are the choice of professional riders worldwide.