This Sub Zero shelf support is a genuine OEM part, model number 6220330. It is designed to fit perfectly into your Sub Zero refrigerator and freezer, providing stable and reliable support for your food storage shelves. Made with high-quality materials, this shelf support is built to last and withstand the rigors of daily use. Whether you're replacing a damaged part or simply adding an extra layer of protection to your kitchen appliance, this Sub Zero shelf support is a must-have accessory for any home cook.