Emergency Escape Respirators, Ammonia; Methylamine no checkout solvent resistant seal that will solvent resistant seal that will not tear or decay Parts disassemble easily even after extended service Reduces inventory costs – no need for large inventory of cut gaskets and rubber materials soft and flexible nose pads hold securely without pinching Wider nose clip fits a variety of facial types Silicone mouthpiece is more comfortable to wear over long periods Packed in sealable plastic bag (carrying bag sold separately 79BAG) Mouthbit respirators offer a quick and economical method to escape non IDLH emergency situations Large