QUALTEK FAN ACCESSORIES 562-QSG-40-02 562-QSG-60-02 562-QSG-80-02 These Qualtek fan accessories are not currently being manufactured in the "02" size. These are only available in the "01" size. The only difference between the two is the width of the product and that the "02" product was wider. Please use the following Mouser part numbers as alternate product. 562-QSG-40-01 width is 42.0mm 562-QSG-60-01 width is 62.0mm 562-QSG-80-01 width is 82.0mm 5-0306-44