ArticleNo/ P/N: AG920SP 3M Peltor AG9-20/SP Headband 9-Cores- No longer available from 3M Peltor Replaced by AG9-23/1. - Sold as spare part when replacing the headband fitting on hearing protectors. Suited to 3M Peltor WS ALERT XP and WS ALERT XPI, incl. ACK versions. Price request