<b>FEATURES:</b> <br> <br> <br> 1. The product has multiple protections in one step: it can effectively protect formaldehyde, dust, carbon disulfide, acetone and organic vapor.<br> <br> 2. The trapezoidal design increases the filter area and keeps breathing smooth.<br> <br> 3. Multi-layer activated carbon can be filtered repeatedly.<br> <br> 4. The center of gravity swings back, which is not easy to cause neck fatigue and conforms to ergonomics.<br> <br> 5. The rotating bayonet design makes the interface more firmly connected to the main mask, and the bayonet design makes it easier to replace accessories.<br> <br> <br> <b>NOTICE:</b> <br> <br> <br> We recommend that you change the filter cotton every eight hours of work. <br> When you feel that the breathing resistance becomes larger, the filter cotton is dirty, and it is damaged, you need to replace the filter cotton in time. <br> Our products are suitable for 6001cn, 5n11, 6100, 6200, 7502, 6800 face cover.<br> <br> <br> <b>PRODUCT PACKAGE:</b> <br> <br> <br> 2 * poison filter box