Interchangeable Fascia This package comes supplied with an interchangeable fascia in a square or rounded design, so you can ensure that your extractor fan not only performs to the highest of standard but also looks the part as well. Recessed Design Recessed fans can be installed through a wall, window or alternatively the ceiling giving you that extra bit of flexibility. Axial Axial type fans cause gas to flow through in an axial direction which is parallel to the shaft where the blades rotate, making the flow axial at exit and entry. Axial fans are designed to create a pressure difference and force which produces a flow through the fan. IPX4 Rating This product has a rating of IPX4 which means it is protected from water splashes from any angle. Zone 1 Rated IP rating stands for 'Ingress Protection rating' and this helps us determine what bathroom electricals can go in particular bathroom zones. An IP (Ingress Protection) number or code is used here in the UK to specify the