Berp / BioOil for Piston & Rotor Valves - No. 3 Heavy

Plant-derived biooil provides smooth, long-lasting valve action. Choose from three viscosities to suit your application.

■biooil
■No.3 Heavy For pistons, rotor valves, and keys of woodwinds

*Please remove conventional oil completely before use. If conventional oil is mixed in, the original performance will not be achieved.
*As part of the manufacturer's environmental initiative, packaging is being changed to aluminum bottles.