Product Description: Model Quantity The number of tube diameter pipe L absorption area (square meters) per 20GP South --58--2424 diameter of 58mm of 1,800,000 1.92 75 Case Material stainless steel manifold aluminum Alloy/304 1.2mm 304 stainless steel frame material 99.93 pure copper tube and the first 45 of lead-free silver brazing Compressed glass wool insulation - K = 0.043W/mK And silicone rubber seal ring 40 installation angle |