The ‘COVER VENTILATOR TOP F/ALARM LED DISPLAY PORTEXTERNAL DEVICE INTERFACE CABLE BELLAVISTA 1000E 1Each – 030.703.061’ is a top cover for the Bellavista 1000E ventilator. It is designed with an alarm LED display port and an external device interface cable. This cover is essential for protecting the ventilator’s internal components while also providing an interface for monitoring and controlling the device. This product is sold individually.