MSA Advantage 4000 Large Size Twin Port Facepiece is made of silicone and works with 3 different interfaces like push to connect, RD40 and twin-cartridge adapter. Facemask comes with fog reducing nose cup, bayonet adapters in-lens as well as net head harness and is suitable for a wide range of respirators. It can be used in application such as agriculture, oil & gas, nuclear, chemical, construction, electric utility, mining, sanding, grinding and welding.