John Deere Zero Turn Mower 42 Mulch Control Kit for Z300 Series BUC10704. Mulch with the flip of a lever. Keep driveways and flowerbeds clear of clippings. Create less need to fertilize. Feel free to contact me if there are any concerns or questions. All items come from a pet and smoke free environment. We strive for 5-Star customer service and appreciate the opportunity to make something right if you are not satisfied. Please reach out to us if you encounter an issue with your order. Must be in new and unuséd condition. If you are local to our warehouse in Mt. Thank you for your consideration and business!