Gator GBELLCVR1213BK Wind Instrument Double-Layer Cover for Bell Sizes Ranging from 12 to 13-Inches, Black Color

The Gator GBELLCVR1213BK is a high - quality double - layer wind instrument cover in sleek black. It's designed for bell sizes from 12 to 13 inches, fitting tubas and other large bell instruments. This cover is made according to performing arts aerosol study recommendations. It effectively reduces aerosol spread by covering the instrument's bell opening. With a breathable design, it causes little to no back pressure or acoustic loss during performance. It comes with a removable MERV - 13 filter (replace after 1 - 2 months, don't wash). The elastic closure and cord lock keep it securely on the bell. It's reusable and hand - washable, made of non - woven polypropylene fabric. Measure your instrument bell before ordering for the best fit. Note that these masks haven't been tested by official organizations to prove virus transmission prevention.

How to use: First, measure your instrument bell to ensure this cover fits. Then, simply place the cover over the bell opening and use the elastic closure and cord lock to secure it. During use, enjoy reduced aerosol spread and great performance with no significant back pressure or acoustic loss. When it's time to clean, you can hand - wash the cover. For the MERV - 13 filter, do not wash it. Replace the filter every 1 - 2 months for best results. Remember, this cover has not been tested by official organizations to prevent virus transmission, so use it as an additional measure.