Standard N95 face mask is Anti-Pollution Activated Carbon Face Mask with Breathing Valve particulate respirator is designed to help provide quality, reliable respiratory protection for the professional. Vritraz Mask filter uses a variety of innovative technologies and features to help you meet your respiratory protection and comfort needs. Vritraz Mask filter allows for easy breathing. Unlike non-valved respirators, Vritraz Mask valved Respirator uses Cool Flow Exhalation technology makes it one of the best masks to wear for extended hours even in hot and humid conditions. The soft inner material provides added comfort while the soft nose foam and adjustable nose clip help provide a custom fit. These features are designed to enhance user comfort and help increase wear ability.