Bb Trombone THESE GENUINE YAMAHA ROTARY VALVED RUBBER BUMPERS ARE SUITABLE FOR THE FOLLOWING FRENCH HORNS Flugel Horn French Horn YTR-946G YTR-946GS YTR-946S YTR-948FFMGS YTR-948FFMS YTR-9820C YTR-9825 YTR-988.
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