JM001 Valve Oil – Synthetic Light Piston A light synthetic valve oil, which was developed especially for instruments with still very dense piston valves. Enables a smooth, fast and even valve clearance. Features: for piston valves light, synthetic valve oil especially developed for new instruments with close tolerance piston valves protects against wear / corrosion and deposits odourless – non-clumping CO² / climate-neutral production Made in Germany Content: 50 ml