3M Half Face Respirator Silicone Size:Large Frequent prefilter changeout may help

Frequent prefilter changeout may help optimize PAPR system performance

glass etching

Operating temperature range: -40°F to +140°F (-40°C to +60°C)

Large buttons and bright display provide easy operation

3M Half Face Respirator Silicone Size:Large Frequent prefilter changeout may helpAdvanced silicone material for increased comfort and greater durability Proprietary 3M CoolFlow Valve helps make breathing easier and can offer cooler and drier comfort Dual mode head harness that adjusts easily so users can wear the respirator in either standard or drop down mode Solid exhalation valve cover which directs exhaled breath and moisture downward while helping protect the valve area from debris while also making for easier cleaning For