"Wards"

Superior quality double wall calorimeter with easily removable spring heating element. Operates on 3-6V DC at approximately 5 watts. It consists of an inner aluminum 150mL resevoir, aluminum outer, plastic insulator ring, and styrofoam lining to minimize heat loss. Lid accepts heating element, stirrer, and thermometer cork. Includes cover cap.

This polished copper calorimeter set has everything you need.