The filter consists of a lightweight plate bonded to a high performance filter element. The element is made from a three layer laminate foam and is supported internally by a metal cage. Designed to fit twin sidedraught carburettors for both road and competition use. Using the separately available back plate, it can fit Dellorto DHLA, Weber DCOE and DCO/SP carbs. 90mm internal height, 435mm long, 190mm wide