The FixMyKite.com North Airport and Duotone Inflate/Deflate BLUE Valve is the OEM valve North kites uses for all Inflate/Deflate valves on all 2014-2016 models except the 2014 Vegas. This is the BLUE one; the Yellow one is a separate product. Made with TearAid to work with any bladder.

ADD BLADDER PATCH INSTALL KIT OPTION
The Bladder Patch Install Kit is for use when your old valve has to be cut out of the bladder leaving a hole larger than the valve. If your old valve peels off of your bladder easily, you do NOT need the bladder patch kit. The Bladder Patch Install Kit includes a baggie of talcum powder and a 6x6-Inch (15.24 x 15.24cm) adhesive patch.

ADD VELCRO OPTION
The "Add Velcro" option provides you with attached Velcro at the base of the valve just as you would see with the original factory bladder.  This part of the valve goes on the inside of the kite casing; the Velcro prevents the bladder from twisting when tightening the screw-cap.