Product Description

                       Features:
1) There is no water inside the tube, so no leakage, scaling, and no
freezing in winter will occur.
2）It is easy to be mounted and can be combined with the architecture
perfectly
3）Interferential film coated vacuum tube with absorptance among
*4% to *6%, with vacuum degree in 5×***4 pa, can work over *5
years.
4）U pipe collector passed the Solar Key mark certificate, CE
certificate, and met EN****5 standard.