We are passing a great savings along to you with these authentic Russian military surplus gas masks! The pricing is just unbeatable! This like-new Russian SCHM-41M gas mask helps to protect the face, eyes and respiratory system against chemicals and radioactive and biological warfare agents that are used in the form of gases, vapors and aerosols. It includes a bag, hose and filter. Note: Though these gas masks and filters may function as intended, they have likely exceeded their expiration dates and should be used at your own risk.