Shall be of all-welded stainless steel construction and shall accept trays or racks on a stainless steel spring-loaded, self-leveling carriage. Unit shall have a vertical stacking capacity of 25″ (635 mm). Unit shall hang from counter cutout by a 14-gauge top flange, welded to unit frame. Carriage shall feature banks of tension springs on two sides. Spring tension for carriage shall be field-adjustable without tools by hooking or unhooking springs to/from the carriage, providing proper dispensing level. Carriage shall also feature sets of nylon roller guides on all four corners to provide smooth leveling movement inside unit frame. Lower frame shall be of .120 x 1” x 1” stainless steel. Unit shall be NSF listed.