Covid filter for trumpet

Covid filter for trumpet

thingiverse

Very simple covid filter for trumpet, made with kitchen extractor hood filter. I'm using carbon filter, I'm not sure if it's usefull or not. It's snapped onto the horn with three plastic tab, no modifications required to the trumpet. It's designed for 121mm trumpet horn, resize for other instruments. If this design is useful for you, a small tip will be welcome ;-)

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