An adaptor converting a BT431A plug to an RJ11 socket and BT431A socket. Ideal for filtering combined broadband (ADSL) and telephone signals to separate devices. Features an RJ14 socket for ADSL connection and a BT431A filtered socket for telephone/fax connection. Up to 4 filters can be used on a single telephone line. Supplied in a retail friendly sealed bag. Weight: 25g. Colour: White.