The Arca Combo has always been difficult to use with product requiring heating due to its non-flat floor. However, this has now changed with the introduction of a 1300w variable height base heater. Thin enough to stay in the container base even when the IBC is folded, this durable heater opens the door to numerous new applications for the biggest selling all plastic liquid bag-in-box in the world.  SBHSI Electrotherm Combo Base Plate Product Info 0113