Xpelair GX9 Commercial AC Window Fans with integral pullcord is a single speed high performance 9-inch axial fan, suitable for single and sealed double glazing windows and panels up to 25mm. GX9 commercial window are easy to install with the longer ladder strips supplied, ensuring a secure and watertight seal against the glass. Safety finger guard is integrated into the housing and window grille. A tamper-proof positive plug and socket assembly provides a means of isolation for service access.