Detailed Description: 1) Reliable and efficient with twin-tube solar glass
2) Easy plug-in installation
3) outside the box material: color steel plate board
4) reliable and efficient double-glass solar tubes
5) Easy plug-in installation
6) outside the box material: color coated steel powder
7) Liner Material: 0.4 mm thick 304 grade stainless steel plate of food
8) frame material: color steel plate
9) High insulation to ensure that 50 - 65 mm polyurethane foam insulation also pull
solar heater water with low price




