The RF-1050 Universal Air Filter is constructed from an oiled cotton filter media. It comes with a carbon fiber top for strength and durability. The carbon fiber element adds to the light-weight design and gives this filter a smooth glass like finish. The RP-1050 is a clamp-on filter that has a flange inside diameter of 2 inches and a flange length of 7/8 inches. The base is 12 by 3-1/5 inches and the filter height is 5-3/4 inches.
K&N Composite Top Universal Air Filters - With advanced composite technology, carbon fiber provides the ultimate in strength with minimal weight. Carbon fiber provides 1/3 less weight than a conventional filter top.