CONN SELMER CSBC5M Merv-13 Instrument Bell Cover 5" For Trumpet/alto Sax/bass Clarinet

The Conn-Selmer Merv-13 Instrument Bell Covers feature a removable and washable Merv-13 filter with a pouch for easy removal and replacement. The Conn-Selmer Instrument Bell Covers are designed to keep air particulates from escaping the instrument while not altering the pitch or the quality of sound. They are made from double layered stretch nylon and are machine washable.