The 3M™ 6000 series full-facepiece reusable respirator features a soft, lightweight facepiece with easily adjustable 4 point head strap made from a silicone/thermoplastic elastomer for increased comfort.  The large, scratch-resistant polycarbonate lens ensures a wide field of view with excellent visibility and impact protection. This 3M Full Face Respirator is NIOSH approved for negative pressure air purifying and positive pressure dual airline applications. Replacement parts are available.