1. Direct-flow Header: High quality red copper Φ35*1.0mm, inlet & outlet Φ22mm 2. Manifold Shell: High-quality black/ gray aluminum alloy 2mm 3. Insulation: High-density compression-moulded rockwool 50mm 4. Heat-pipe Tube: Three-target coated vacuum tube, Φ14 condensor copper heat pipe, Aluminium fin, silicon tube seal 5. Mounting Frame: Black/ gray aluminum alloy 1.8mm, universal bracket suitable for roof or exterior wall installation 6. Accessories: Thermal paste,copper connectors,Stainless fasteners,Heat-resisting rubber seal,adjustable tube holder 7. Test Pressure: 11.0 Bar 8. Collector Tilt Angle: 20°~90°(Vertical/ horizontal shift: -5°/-5°) 9. Hail Resistance: ≥ Φ25 mm (Tilt angle≥ 40°) 10. Anti-freezing: (-) 40 ℃