Champion Premium Light is a fully synthetic valve oil formulated for trumpets, cornets and other brass instruments including the rotary valves of French horns, ensuring they remain in optimal condition and perform at their best every time.
Manufacturer’s website: championbrasswind.com
Valve oil is essential for keeping all valved brass instruments in good playing condition. If you play regularly, we recommend every week removing each valve in turn, wiping it clean with a lint-free cloth, and applying a small amount (two or three drops) of valve oil before carefully refitting.