* Complete with 6 standard size ColPacs and 6 half size ColPacs * Closed-cell foam insulation for efficiency * Drain valve for easy cleaning/defrosting * Stainless steel welded construction for life * Heavy-duty compressor for more efficient cooling * Specially designed interior chilling coils in cool packs faster * 3 (8 cm) swivel-type rubber casters for silent friction-free movement of mobile units * UL listed (120 Volt)