APW Wyott TM-43ULS built-in uninsulated fractional hot food well accommodates 4 – 1/3-size pans or equivalent fractional pans and features powerful bottom mounted heating elements shaped in a serpentine shape for maximum heat distribution. One-piece stainless steel top flange and heavy gauge, deep-drawn stainless steel warming pans are standard features. E-Z Locks are standard for quick and easy installation. Individual controls for each well provide maximum versatility!