20pcs/pack Waterkey Spit Valve Corks for Trumpet Trombone Parts Accessories
£4.88
Water key cork pads suit for trumpet cornet flugelhorn trombone. Trumpet water key corks. White Spit Valve Cork:Silica gel. Wood Spit Valve Cork: wood. These water key corks are made to fit trumpets, and can be polished to fit other models as well.
