N99 Premium Particulate Respirator, Half Facepiece, 2-Strap, Medium/Large ORS NASCO Wider knurl for easier adjustment|Laser

Wider knurl for easier adjustment|Laser etched scale provides a quick and convenient way to determine fastener size in either SAE or metric|Wide capacity jaw provides versatility to accommodate a greater size range of fasteners|Wider handle provides more comfort and less hand fatigue|

humid or dusty environments|Dura-Mesh® shell protects filter media|Contoured face seal and molded nose bridge||

Durable capeskin material for extended wear comfort|Effectively resists heat and abrasion|Excellent dexterity

#20 and #33

N99 Premium Particulate Respirator, Half Facepiece, 2-Strap, Medium/Large ORS NASCO Wider knurl for easier adjustment|LaserFor most welding applications Dura Mesh shell resists collapsing in heat and humidity Exhalation valve For most welding applications