![Holton Rotary Valve Oil](http://www.melowenmusiconline.com/cdn/shop/products/h3261-568px_{width}x.png?v=1595361419)
Holton Rotary Valve Oil
Holton Rotary Valve Oil is deigned specifically for rotary valves, like you would find on a french horn, or certain tubas and trombones. Not only does this oil lubricate, it protects your valves from the elements, friction, and leakage.