18cm Micover Puffin Wind Diffusion Windscreen for Shotgun Microphones 90 day warranty Silences up to 25dB of wind noise Made with high-quality synthetic fur Original beveled hole design for universal fit Note: It's important that you measure the slots on your microphone. Purchase the puffin based on the slot length not total length of your microphone. The puffin is always 4cm longer than the length listed. This is due to the padding in the front and the rubber end piece.