थर्मल सोलर कुकर खाली सौर ट्यूब डाय 137 मिमी वैक्यूम ट्यूब सौर

Video Description:
Discover the Thermal Solar Cooker Evacuated Solar Tube with a 137mm diameter, designed for maximum solar energy absorption. Featuring advanced three-target magnetron sputtering coating technology, this vacuum tube ensures durability even at 400°C. Perfect for solar cookers, water heaters, and collectors, it’s a high-efficiency solution for sustainable energy needs.
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