5500 Series Half Mask with 2 Organic Vapor & Acid Gas Cartridges， Size Large</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Convenience packs combine the most commonly used gas and vapor cartridges</li><li>Particulate filters with the 5500 series half mask， to form a complete respirator</li><li>Cartridges and filters are replaceable</li><li>Available in large size</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/517VAWEbzqL.jpg' noproxy></br>