Sipario Biocarbon - 3rd Octave E No.15

Sipario Biocarbon - 3rd Octave G No.20

Sipario Biocarbon - 4th Octave B No.25

Sipario Biocarbon - 4th Octave D No.23

Sipario Biocarbon - 4th Octave F No.28

Sipario Biocarbon - 5th Octave D No.30