The Xpelair DX100BS Simply Silent extractor fan is a 100mm fan with two speed settings, offering extraction rates of 54m³ or 76m³ per hour with noise levels of 22dB(A) or 34dB(A). This fan is suitable for wall, window, or ceiling mounting and includes a wall kit. It is IPX4-rated, making it ideal for bathrooms, ensuites, shower rooms, or cloakrooms. The fan meets Building Regulations Part F & L and operates via an external switch. It features Xpelair's Ghost Airmovement Technology for quiet operation.