Unit shall be of welded stainless steel construction. Dispensers shall hang from surface opening by an 18-gauge flange ring and feature three each 22-gauge vertical side supports welded to 20-gauge bottom plate. Self-leveling dish carriage shall be of welded stainless steel construction and shall travel vertically in dispenser tube with 3 sets of nylon roller guides for smooth operation. Carriage shall have 22-gauge removable dish platform. Unit shall feature flange mounted perimeter extension springs, which are detachable from the dish carriage to provide adjustment without tools for different weight dishes. Unit shall also feature three stainless steel dish guides running the entire height of the dispenser. Dish guides shall pivot to provide diameter adjustability of 3-1/4” (83 mm) without tools or removing components to accommodate various diameter dishes. Unit shall have a vertical plate stacking capacity of 26” (660 mm). Unit shall be NSF listed.