supply of 400 mm bracket mounted cabin fan for wall mounting , 400 mm bracket mounted cabin fan for wall mounting as per is : 555 latest ventilated type, capacitor type, minimum air delivery (cubic meter/ min) - 65 for 400 mm, maximum input power for capaci tor type fan (watt) ? 61 for 400 mm, rpm at maximum speed - 1400-2000, number of blades - 3, material o f blade - abs/electroplated, speed control mechanism ? pull cord or string based control, fan guard materi al - polished / electro plated metal wire or power coated metal wire, number of speed steps -3, adjustable vertical tilt, angular movement - 60-90 degree [ warranty period: 12 months after the date of delivery ] ]