The Movo WS-GS Series Windscreen is a professional windscreen with dual artificial fur outer layer, acoustic foam inner layer, and airtight rubber base for 360° wind protection. To measure for compatibility, ensure microphone capsule is 18-23mm in diameter and measure length needed from front-end of capsule to end of grille. This specific model, the Movo WS-G220 Furry Rigid Windscreen, is designed for microphones 18-23mm in diameter and up to 8.6″ (22cm) long, providing superior wind protection with reduced wind noise and vocal plosives. The product is not discontinued and comes with a 1-year warranty.