Yes, our World Travel Power adapter will work in Spain. In the user guide that comes with it there is a list of countries and areas that it is known to work in and how to set up the adapter to work in each area. If you still have questions after looking that over no worries just reach out to our Customer Support Team Monday thru Friday 10 AM EST to 7 PM EST at 877-482-7487. They will be happy to help you set it up.
Our World Travel adapter is not a voltage converter. You are able to use devices that are rated for 120/240 volts. Please keep in mind that if your device is rated for 120v and you plug it in to a wall socket that is rated at 240v it may result in damage or injury. Italy's average voltage is 230v. What is the cpap machine voltage rated at? You can contact our customer support team at 877-482-7487 Monday thru Friday 10 AM EST to 7 PM EST. They will be happy to help you.