Easi-Care™ respirators come pre-assembled for convenience and easy use. Thermoplastic elastomer molds comfortably to the face. A low profile configuration offers a wide field of vision and easily accommodates glasses. Cradle suspension provides a secure fit. Prefilters and prefilter retainers sold separately. Comes with a re sealable storage bag to keep respirator clean between uses. NIOSH/MSHA approved.