QuickFitTM Full Face Mask Respirator Replacement Parts and Accessories PRODUCT CODE DESCRIPTION 50480-00000 50482-00000 50483-00000 50661-00000 50662-00000 50664-00000 50665-00000 Small/Medium Full Facepiece Large Full Facepiece Protective Hood for QuickFit Faceseal Small/Medium Faceseal Large Headgear with Slider Polycarbonate Lens (Includes 2 cartridge adapters, 2 inner gaskets, and voice box with exhalation valve) Inhalation Valves for Lens & Nosecup (20 per pkg.