dimater137*610mm
Double Vacuum Heating Tube
ISO, CCC, CNAS
Water Heater, Solar Thermal, Outdoor Solar Cooker, Disaster Relief Cooker
High Borosilicate Glass 3.3
High Borosilicate Glass 3.3, Tube Thickness 3.0mm
Magnetron Sputtering Coating Advanced Technology
High Hot and Cold Resistance, High Absorption Rate
Length and Diameter Can Be Customized
Carton/Wood Packing
Diameter 137mm/Length 610mm