Monster Original Valve Oil

Premium Valve Oil for Trumpet, Tuba, French Horn, Trombone, and Euphonium.

Developed by real professional trumpet players.

Our original formula valve oil. Best application for all-around, hassle-free, quick-action, buttery-smooth, long-lasting use. Takes forever to evaporate. Hide your kids, put on your sunglasses—this is the Monster Oil that will change the world. Appropriate for every trumpet ever made. Far superior to anything on the market today. You’re welcome.