ArticleNo/ P/N: AG920SP 3M Peltor AG9-20/SP Headband 9-Cores- No longer available from 3M Peltor 7100147944. 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. Replaced by 7100147892. Price request