Vacuum Tube Set: Glass, Fin & Copper Tube for 58mm Diameter, 1800mm Long Vacuum Tube Solar Collector
Each Vacuum Tube Set Includes the following Items:
- Borosilicate glass with triple layer coating allows for maximum solar absorption and vacuum between glass layers prevents heat loss.
- Aluminium Fin.
- Copper Tube.
- Tube Stopper (Gasket).