Pull On closure PROFESSIONAL HEAVY DUTY FILTRATION SYSTEM – Dual Activated Charcoal filters & full face impact resistant lens. MULTI PURPOSE PROTECTION – The perfect mask for working with chemicals and other toxic substances. Including chemical laboratory, inspection equipment, and environmental technology USA DISTRIBUTED – HIGH QUALITY – Premium full-face mask. We have a 100% money back guarantee! FULL WARRANTY – Be confident in your investment! Visit our website to register or file claims. ENSURE TO REMOVE PROTECTIVE FACE MASK FILM FOR BEST VISIBILITY / CANNOT BE WORN WITH GLASSES