The McCormick 6528305M91 is a genuine OEM filter dryer, 200 mm in length and 76 mm in diameter, weighing 0.35 kg. This essential component is designed for the air conditioning system of McCormick X4, X5, X6, and X7 Series tractors, including models like X4.20, X4.30, X4.40, X4.50, X4.60, X5.35, X5.45, X5.55, X6.420, X6.430, X6.440, X7.440, X7.450, X7.460, X7.650, X7.660, X7.670, X7.680, and X7.690. It helps remove moisture and contaminants from the refrigerant, ensuring optimal AC performance and system longevity.