3M Secure Click Lens Frame Assembly is a replacement part for use with the 3M Secure Click Full Facepiece Reusable Respirator, FF-800 series. 3M Reusable Respirator Lens Frame Assemblies & Kits allow prescription eyewear users to have corrective lenses fitted to their 3M Reusable Full Face Mask. 7100266242 - 00638060432143