The 2-blade mulch kit for 400S 44" decks only, manufactured by Ferris, is designed for a precise fit, ensuring optimal performance for Ferris mowers. This complete mulching system includes two precision-engineered blades and a robust mulch plate, effectively chopping grass clippings into nutrient-rich mulch that promotes natural fertilization. Built for durability, this kit supports environmentally-friendly lawn care by reducing waste and minimizing the need for chemical fertilizers.