Register your RevAir device here Advisor Mika July 09, 2018 19:19 Updated In order to activate your Never Be Without one-year warranty, simply click HERE and enter the serial number of your RevAir. The serial number can be found on the back of the Base Unit just under the QR code. Related articles What is RevAir 'Never Be Without' Warranty? OWN IT, LOVE IT GUARANTEE PayPal Payment Plan What hair products can, or can’t I use with RevAir? How to connect my Wand to my Hose? Comments 0 comments Please sign in to leave a comment.