The ‘SET RAIL VENTILATOR DIN 10MM X 25MM X 300MM W/MOUNTING PLATE TOOL FBELLAVISTA TROLLEY 1Each – 304.073.000’ is a high-quality accessory designed for use with the Bellavista Trolley. This set includes a DIN rail that measures 10mm x 25mm x 300mm, providing a sturdy and reliable platform for mounting your ventilator. The set also comes with a mounting plate tool for easy and secure installation. This product is sold as a single unit and is an essential component for ensuring the safe and efficient operation of your ventilator system.