TRIPLE FS-4-This versatile stainless steel water-bath warmer/cooker features individual thermostats and power switches for each well. Adjustable thermostats, sense food temperature and turn each heating element on or off as needed eliminating burning or scorching. And the exclusive hinged lids return moisture to the food to retain your original flavor and consistancy. Includes the (3) 4 quart (3.8 L) insets with hinged lids as shown. Standard features include: Stainless steel construction Adjustable, precalibrated thermostats for accurate heat control (3) exclusive 4 qt (3.8 L) insets & lids Hinged lid stays upright during ladling for easy customer use Lid rim returns moisture to the food to retain flavor Water fill line eliminates overflow accidents