Silent Fan with Stainless Steel Front Panel: Silent and Powerful Fan- This fan has noise levels of 28 d(B)A and air flow of 105 m^3/h. Easy Fit Front Panel- This panel has spring latches allowing it to be easily clicked in place on the fan without the use of tools. Interchangeable- Due to the click in place nature of the front panel this can be replaced by other front panels in the series. Available in a variety of models depending on your need- standard, with timer, with humidity sensor or with pullcord.