Gator GBELLCVR2223BK 22 23" Bell Cover w MERV 13 Filter Inches Black MEX25 CHAUVET This compact barrel mic has Height:13.78" to 22.44" This compact barrel mic has a super cardioid lobal polar pattern for capturing only your intended sound source the rear of the TURN2 features two gold plated The wind instrument double layer bell cover for 22 to 23 inch bell sizes fits securely over the bell opening of your instrument to help reduce the spread of aerosols during use The cover features an elastic closure and cord lock that allows you to tighten it over your bell cover for a snug fit and does not cause any backpressure or noticeable acoustic loss during performances