How do refrigerated Parcel Lockers work?

InPost refrigerated Parcel Lockers are devices that allow you to deliver and receive produce: perfectly chilled, perfectly frozen, and always fresh. Thanks to three temperature zones (-18 degrees  C, 4 degrees C, 16 degrees C) you can order vegetables and fruit, frozen foods, fresh produce, pharmaceuticals, cosmetics, pies and cakes, as well as flowers and gifts.