The drying cabinet contains 5 preset options including air only. It features a heating element (located within the control panel at the top) and dual blower motors which are located at the top and bottom of the drying cabinet for an even distribution of air flow. One of the many benefits of the drying cabinet is that it has the option of drying tubes, Cpap mask, medical instruments and many other such items displaying the cabinets versatility. The shelves are removable to allow tubes for hanging and drying. The drying cabinet holds up to five removable shelves including a tube holding shelf that holds up to to 36 tubes and a stainless steel removable drip panel.