1. Durable and corrosion resistance
3.Easy installation
3.Prominent ability to resist strong wind, snow and hailstone

 

Vacuum tubes (mm)	Capacity (L) regular /large	Daylighting area (m2)	Installation area (m2)
47×1500	80/95	1.29	0.99×1.50
47×1500	98/110	1.48	1.12×1.50
47×1500	110/130	1.67	1.25×1.50
47×1500	130/150	1.85	1.38×1.50
47×1500	155/175	2.22	1.64×1.50
47×1500	200/230	2.27	2.03×1.50
58×1800	150	2.1	1.28×1.8
58×1800	180	2.5	1.28×1.8
58×1800	210	2.9	1.76×1.8
58×1800	240	3.33	1.76×1.8
58×1800	300	4.14	1.76×1.8

bracket: galvanized steel with electrostatic plastic coating;High efficiency:>64.9% in summer and >45% in winterHeat preservation: 72hoursTube quantity: 15, 18, 20, 24, 30and34 pcsReliable and efficient twin-glass vacuum tubesAnti-freezen and pressurizedDaily efficiency: >= 55%(>=42% in winter)Simple structure, easy plug-in installation, can be installed both on flat and inclined roofInsulation:50mm polyurethane total forming with pressure and best density of 40kg/m3