Industrial 10m Chocolate Cooling Tunnel - High Efficiency Refrigeration The PT10P is a 10 meter industrial chocolate cooling tunnel built for high capacity production. Its high efficiency refrigeration system and stainless steel 304 body with PU belt deliver fast, consistent cooling for chocolate, energy bars and bakery products on continuous lines. Key Features 10m tunnel length for high volume, continuous cooling. High efficiency refrigeration system, cools products down to