Features: Herringbone bracket, designed from the aestheticaspect with reasonable structure and beautiful appearance, it can be installed at flat top, fastigium or across the roof. Inner tank: SUS3042B Imported SUS3042B Food Grade Stainless Steel, superior water quality, drinkable. Outer shell: Imported color steel from South Korea, coated with hi-tech corrosion-resistant layer. Heat insulation layer: 50-60mm 50-60mm imported polyurethane integral foaming, superior heat preservation. Bracket: Imported cold rolled steel, 3-level anti-corrosion treatment, exclusive patent, extra-strong and secure. Vacuum tube: : Hard borosilicate glass tube (diameter: 47mm; Length: 1, 500 mm), 25mm hailstone resistant. Type: 47mm-1500mm, 58mm-1500mm, 58mm-1800mmNo. Of tubes: 15PCS, 18PCS, 20PCS, 24PCS, 30PCS. Capacity: 100-280L