3M Standard Lens Cover is ideal for use with 3M ultimate FX full facepiece FF-401, 402, 403 series reusable respirators. Respiratory protection lens cover accessory is best suited for demolition, facility maintenance, grinding, sanding and welding operation. It finds wide range of application in automotive, construction, manufacturing, metal production, fabrication, military maintenance, mining, oil, gas, pharmaceutical, transportation, food and beverage manufacturing.