51131-37007 3M facepiece Frame Kit,Frame kit 6899/37007(AAD) Please log in to see price or purchase this item Quantity discounts available QuantityPrice SKU: MMM5113137007 Qty On Cart Features Replacement part on 3M Full Facepieces 6000 Series. Use to secure 3M Lens Assembly 6898 to facepiece. Does not include lens. Features Back FeaturesReplacement part on 3M Full Facepieces 6000 Series. Use to secure 3M Lens Assembly 6898 to facepiece. Does not include lens.