Vandoren B30 clarinet mouthpiece, offering excellent sound quality with precise cut. - Brand: Vandoren - Model: B30 - Type: Bass Clarinet Mouthpiece Used for six months at a rate of twice a week after being purchased new. A mouthpiece patch was used, so there are no teeth marks. Cleaned. Discoloration on the inside (see photo 3). #BassClarinet #BassCla #Mouthpiece #Vandoren #vandoren