Half Mask Respirator Size L Facepiece Material Silicone OV P100 Cartridges Included Configured For Dual Cartridge Threaded Connection Head Harness Material Polyethylene Polypropylene Elastic Suspension Yolk and Cradle Includes (2) Mfr No 7581P100 Cartridges (1) Half Facepiece Respirator Standards NIOSH