Twin Air Beach Race “BR” filters are specially manufactured for extreme sandy or dusty riding conditions, the dual-stage construction with 20mm Foam (60/45 Pores) instead of the standard 15mm offer maximum protection for your engine. The foam is bonded together to provide maximum filtration & superior airflow, while a round & even surface distributes heavy dust & sand evenly across the entire filter to guarantee maximum airflow to your engine. MORE AIR = MORE POWER. TWIN AIR THE CHOICE OF CHAMPIONS Article: TWIN AIR Beach Race Air Filter