PRODUCT FEATURES | 4010 | 4011 | 4111 |
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Exhalation Valve Reduces hot air build up, and easy breath in hot and humid working place. |
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Nose Bridge Adjustable alumin / plastic nose bridge provide custom seal for different facial sizes. |
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Active Carbon Filter against nuisance level organic vapor. |
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Head Strap Variation of head starp designs for flexibility and better fit. |