<b>Notes:</b><br> Please use the product after carefully reading .<br> Used for respiratory protection of some organic vapors.<br><br> <b>PRODUCT FEATURES:</b><br> 1.Trapezoidal filter box,high content of activated carbon,long life,good absorption effect with unique reticular design.<br> 2.Trapezoid design,the center of gravity swings back,not easy to cause neck fatigue.Ergonomic design:large-area trapezoidal design is adopted,and the center of gravity is moved back to relieve neck fatigue.Multi-grid design ensures safety while ensuring smooth breathing<br> 3.It must be installed on the main body before it can be used.<br> 4.Swept-back design allows an enhanced field of view and comfort.<br><br> <b>Specification:</b><br> Material: cotton, activated carbon, plastic<br> Features: reusable filter box<br> Size: Interface diameter: 27mm<br> Length: 108mm<br> Width: 87.8mm<br> Thickness: 31.3mm<br><br> <b>When to change the cotton?</b><br> 8 hours protection is a reasonable expectation of each filter.<br> When the user feels that the breathing resistance is obviously too large, the human body feels uncomfortable, or the filter dust is dirty or damaged, the filter cotton needs to be replaced.<br><br> <b>Filter Box Using Period：</b><br> The worse the use environment is,the shorter the using period will be.Replace it immediately when you smell an odor or feel uncomfortable.<br><br> <b>Suitable for many kinds of scenes / Suggested Applications</b><br> Car Maintenance<br> Outdoor Protection<br> Carpentry<br> Spray Paint/Painting/Painter<br> Chemical clean-up /Laboratory/Chemical plant<br> Cleaning<br> Pouring molten metal<br> Hazardous waste handling<br> Batch-charging<br> Tail gas and smog<br> Formaldehyde and benzene