Moldex Airwave™ N95 Disposable Particulate Respirator, Oil Free Particles, Medium Large ORS NASCO and low temp refrigeration systems Water Resistant Nontoxic Safe Extremely and low temp refrigeration systems Water Resistant Nontoxic Safe Extremely chemical resistant Highly resistant to oxidation and shear breakdown [Nom] 2 in Face Width 3 8 in Hazmat NO Jan San Catalog NO Prop 65 YES Quarterly Flier NO Special Order NO Speed [Max] 20000 rpm Stem Diam 1 4 in Stock Status In Stock Trim Length [Nom] 1 2 in Type Crimped Stem Mounted UNSPSC 27111907 Used With Power Drills Larger surface area means more air flows in and out of the mask without a valve Durable Dura Mesh® shell prevents collapsing from heat and humidity FlexFit® design fits the contours of the face and mouth for comfortable extended wear Soft foam nose cushion and pinch free nose bridge