Black anodised collector frame, with a 1.85m² absorber and 95% efficiency rating. Fusion-welded copper serpentine pipe, complete with mounting bracket suitable for a slate roof. 95% Absorption 3700mm² Aluminium Absorber 3.2mm Tempered Solar Safety Glass Mineral Wool Plate Insulation 15-75° Mounting Inclination 1 Year Guarantee Compatible with Renewable Energy Sources Reduced Carbon Footprint Improves Home Efficiency 95% Absorption 3700mm² Aluminium Absorber 3.2mm Tempered Solar Safety Glass Mineral Wool Plate Insulation 15-75° Mounting Inclination 1 Year Guarantee Compatible with Renewable Energy Sources Reduced Carbon Footprint Improves Home Efficiency