Black Dual-Layer 8-9" (203 to 229mm) Instrument Bell Cover with Pocket for MERV 13 Filter. Recommended Instrument Fit: Trombone, Baritone Sax, Baritone Horn, Alto Horn. Fits 8 to 9 inch (203 to 229mm) bells.
(1) Filter Included
Note: For your safety & ours, there are NO returns on opened bell cover packages.