Suitable for all motorcycle style carburettors with a 38 plain or threaded fitting neck including Dellorto PHBN & PHBL. The filter element is made from a woven cotton within a fine mesh gauze. The filter can be washed clean and re-used without any loss of performance. The fitting neck is made of flexible rubber and the end cap is Chrome plated steel. Jubilee type clip supplied. Length (excluding neck) 50mm Diameter at neck end 60mm, cap end 51mm.