Standard lens covers for use with 3M Ultimate FX Full Facepiece Reusable Respirators FF-401, 402 and 403. Help extend the service life of your 3M Reusable Respirator with 3M Reusable Respirator Face Shield & Lens Covers. These lens covers help to protect the lens of your face mask both when in use and when in storage. For safety and comfort, make it a habit to check and replace old or damaged parts as needed. 7000029958 - 50051135894861
