Thermal Solar Component 1.KEYMARK,SRCC,CE,ISO,CCC 2..High quality products 3.Best service 4.Beautiful design Thermal Solar ComponentCertificate:CE, KEYMARK, SRCC,ISO ... : 25mm 9.Quality guarantee:8 yearsFeatures:1. This type of solar collectors works with high pressure.2. It uses the heat ... , efficient, twin-glass6. Simplistic plug-in installation7. Minimal maintenance required Thermal Solar Component