1.Two easy-to-adjust head straps, 2. Four-point strap assembly keeps facepiece properly balanced .

Model: GM2000 — Ultra comfortable 1.Two easy-to-adjust head straps, four-point strap assembly keeps facepiece properly balanced and won’t snag wearer’s hair. 2. Wide-flange design protects you better by providing a more secure seal around you nose and mouth area. 3.Soft rubber facepiece delivers a comfortable, lasting seal. Double-filtering structure, low resistance. 4. Cartridge model: GM2010 series (Sold separately)