The Zeltron flute was a wind instrument used by the people of Zeltros.
Sources
Zeltros: Pleasure Planet on Wizards.com (backup link) (original site is defunct)
In other languages
The Zeltron flute was a wind instrument used by the people of Zeltros.
Zeltros: Pleasure Planet on Wizards.com (backup link) (original site is defunct)