Dry American engine filter -> I don't have enough details about the filter Technical specifications of the filter Part Number: 21-91057 Filter Type: Tapered Conical with Inverted Top, providing more space for airflow from the top. Filtration Material Type: Pro DRY S (dry filter, no oil required, as indicated by "No Oil Required"). It consists of 3 layers of synthetic fibers. Dimensions: Flange Diameter: 4 inches Base: 6 inches Top: 4.5 inches Height: 7 inches New unit price 500-700 SAR And what I have is new