• Pack of { 2 } filter + { 2 } Particulate Cotton Filter + { 2 } Plastic cover
• Used with 5N11 filter cotton and 501 filter cover. Suitable for 6200, 6800, 7502, FF402.
• When using a filter sponge/cotton in a humid or steam environment, replace it regularly to ensure smooth breathing, as it will absorb steam and dust.
• Effective protection against organic vapors, chlorine, hydrogen chloride, sulfur dioxide, hydrogen sulfide, hydrogen fluoride, etc.
• Using high-quality activated carbon, high filtration efficiency and long service life.
• Trapezoidal design is adopted, the focus is on the back, and the neck is not fatigued for a long time. Swept-back design to enhance vision and balance