Shure RPM304 Black Foam Windscreens for MC50B, WL50, WL51 and BETA 53, Set of 5 Reduces unwanted breath and wind noise. For use with Shure MC50B, MC51B, WL50, WL51, WBH53, and Beta 53 microphones (contains 5). Available in black. Shure Model: RPM304 UPC Code: 42406166041