Preserve food and drinks at optimum temperature with this 36-inch Sub-Zero PRO refrigerator. The NASA-based air purification system eliminates ethylene gas to keep stored items fresh, while the dual refrigeration technology separates cool moist air and frigid dry air to suit different needs. This Sub-Zero PRO refrigerator features a full-extension slide-out glass shelf for hassle-free access to food, and the stainless steel design offers an eye-catching look.