The RP-4600 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-4600 is a clamp-on filter that has an inside flange diameter of 6 inches and a flange length of 1 inches. The base is 7-1/2 inches and the filter height is 4 inches.
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