The new Berp bio oil is non-toxic and petroleum free.This is the heavy viscosity version in a 29ml/ 1fl oz (US) bottle. The higher viscosity makes this oil ideal for older valves where the tolerance between the valve and casing is not too tight.
BERP Bio Oil #2 - Medium Viscosity, 29ml Bottle
BERP Bio Oil #1 - Light Viscosity, 29ml Bottle
Berp Practice Aid Buzzing No.3 for Trumpet
Berp Übehilfe Buzzing No. 3 For Trumpet
3 Bottles /FREDRICKS Professional Valve Oil Synthetic Trumpet Oil For Musical
