THIS CABIN AIR FILTER / AIR-CONDITIONING FILTER 7231496, SC90461 or PA30365, IS GOOD FOR LOADERS S450, S530S, S550, S570, S590, T740, T750, etc, which prevents leaks to avoid/prevent airborne contaminants from reaching the combustion chamber, which protects the engine and enhance the performance of engine. Its frame is made from plastic. Inside the housing, It contains high efficiency filtering-paper.