Moldex 4200 - 4201 N95 AirWave Respirator Face Mask is a comfortable and affordable option for basic protection against oil-free particulate aerosols. It is an economical respiratory mask. Due to its numerous features including cooling exhalation vent, large filter surface area, among others, the offered mask is widely acclaimed among our clients. Moldex 4200 - 4201 N95 AirWave Respirator Face Mask is very comfortable to wear. The mask leaves no gap between the face and mask ensuring optimum protection.