Vadra public is a specially developed air purifier for use in public areas where sustainability and protection is vital. It includes a wall-mounted sustainable lockable case to prevent tampering and theft. It has a built-in timer which can either be turned off for continues operation or be set to timer mode. Vadra public is: * for use in restaurants, hotels and other public areas * includes a 15 min - 10 h timer * includes a wall-mounted lockable tamper-proof case