Description
Wind Instrument Double-Layer Cover for Bell Sizes Ranging from 22 to 23-Inches ? Black Color Wind Instrument Double-Layer Cover for Bell Sizes Ranging from 22 to 23-Inches ? Black Color Made to Meet Performing Arts Aerosol Study Recommendations Covers Bell Opening of Instrument to Greatly Reduce the Spread of Aerosols Breathable Design with Little to No Back Pressure or Acoustic Loss During Performance Fits Tuba, Helicon & Other Large Bell Instruments Equipped with Removable MERV-13 Filter (Do not wash filter. For best practices, replace after 1-2 months) Elastic Closure & Cord Lock Keeps Mask Secured to Bell Opening Reusable & Hand Washable Non-Woven Polypropylene Fabric Measure Instrument Bell Before Ordering to Guarantee Best Fit Disclaimer: These masks have not been tested by the FDA, CDC or any other official organization to conclude that they prevent the transmission of viruses.
