Sperian 322510 Surivair Premier Plus Half Mask with OV/N95, Medium/Large
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<b>[Product Information]</b><br>
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<li>Triple flange design providing superior fit, comfort, and protection</li>
<li>Three flanges provides "backup" sealing security</li>
<li>Silicone mask provides the most comfort of all respirators making long use easy</li>
<li>Strategic lateral placement of inhalation valve and cartridge ports enhances field of vision,</li>
<li>Exhalation valve provides quick exhaust of warm exhauled air</li>
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