Home / Forums / General melodica discussion / Longer air tube for hohner airboard 37 / Reply To: Longer air tube for hohner airboard 37 Reply To: Longer air tube for hohner airboard 37 January 22, 2015 at 3:51 am #3819 Adam TombsParticipant Most hardware stores have flexible clear PU tubing. I have tried this with some success on a few different melodicas.
