Model :DSH1023D000001S 8.5 Ton Light Commercial Packaged Heat Pump Daikin Packaged units are designed with fast and easy installation in mind and are ideal for both new construction and retrofit projects The direct-drive with airfoil single width, single inlet (SWSI) Class II construction supply fan with aluminum fan +blades provides efficient and quiet operation at wide ranging static pressure and air flow requirements. Daikin packaged rooftop units are made with high quality galvanized steel with a powder-paint finish to provide higher corrosion resistance