Our award-winning Astral ventilator range has been designed for greater freedom and mobility. It weighs only 7.1 lbs (3.2 kg), and thanks to the combination of its internal and external batteries, it’s able to deliver an impressive 24-hour total run-time. You can now plan and enjoy day-to-day activities beyond your home or hospital room, knowing Astral will be with you every step of the way.