Shrink Tunnel Machine SPS4525 The SPS4525 shrink tunnel is designed to securely wrap products with a thin plastic film for safe transportation, particularly in the agro-based and pharmaceutical industries. This machine is easy to operate, requiring only the temperature to be set according to the film being used and then feeding the product through the tunnel to be wrapped and released on the other end. The machine is constructed with a robust body, ensuring durability and longevity. Additionally, it has low power consumption, making it an economical choice for businesses. The digital/deviation thermostatic heat controlling system ensures the temperature is accurately maintained throughout the process.