C sharp Medium Flute/Bansuri is a professional quality medium sized 47 cm (18.6 inches) flute. When the upper three holes are coverd by finger its the Indian C sharp medium scale.
Punam Flutes C Natural Medium bamboo Flute/Bansuri is a professional quality medium sized Bansuri When the upper three holes are coverd by finger, it's the Indian C natural medium scale.
Punam Flutes G sharp Base bamboo flute/Bansuri is a professional quality medium medium sized Bansuri When the upper three holes are coverd by finger its the Indian G sharp base scale.
Punam Flutes Natural Bass Bansuri Octave E s a professional quality long size Bansuri. When the upper three holes are coverd by finger its the Indian E natural base scale.