Al Cass is the original "Fast" oil. Petroleum based and very thin, it works brilliantly on trumpet and tight tolerance valves. Petroleum based oil. Made in the USA.
Al Cass Valve Oil
Al Cass Fast Oil Valve and Key Oil
vintage 1960s AL CASS FAST VALVE OIL bottles brass musical instrument MILFORD MA
AL CASS TRUMPET CARE KIT
Valve Oil Trumpet Oil, Oil for Perinet Valves, Valve Oil, Instrument Oil
La Tromba T1 Valve Oil Trumpet Perinet Valves Valve Oil with Silicone Trumpet Oil
