PRODUCT FEATURES | 4020 | 4021 | 4121 |
---|---|---|---|
Exhalation Valve Reduces hot air build up, and easy breath in hot and humid working place. |
|||
Nose Bridge Adjustable alumin / plastic nose bridge provide custom seal for different facial sizes. |
|||
Active Carbon Filter against nuisance level organic vapor. |
|||
Head Strap Variation of head starp designs for flexibility and better fit. |