The Countertop SinAqua Induction Hot Food Wells are made of durable 18 gauge stainless steel and come with rubber feet to protect your countertop surfaces. These wells are specifically designed to be used with CookTek SinAqua waterless induction food holding well units and should not be used on cooktops or other buffet units. The housing for the Countertop SinAqua Induction Hot Food Wells is compatible with all CookTek SinAqua models IHW06x-xx. The IHWCS2 housing is designed for two heat zone/two controller models (IHW06x-2x), while the IHWCS3 housing is designed for three heat zone/three controller models (IHW06x-3x and IHW06x-6x). Please note that the warranty for these wells is 90 days and is valid only in the USA and Canada. For international warranty details, please refer to the warranty statement. It is important to caulk the unit into the housing using silicone rubber and to consult and comply with local codes as required. The Countertop SinAqua Induction Hot Food Wells are perfect for mounting drop-in SinAqua waterless induction food holding wells, allowing them to be used as countertop units. Please note that we offer a wide range of restaurant equipment and food holding and warming equipment.