MATERIAL: The breathing valve is made of high-quality ABS material and high-quality silicone, strong and durable. The filter element is composed of three layers of non-woven fabric and two layers of high-quality polyester fiber, which can resist 0.3 micron impurities, effectively filter dust and smoke, and use it with confidence SIZE: We all measure by hand. The external dimensions of the breathing valve are 40mm x 35mm / 1.57' x 1.38' (approximately). Inner diameter: 18mm / 0.71' (approximately). The filter element is 4.73 inches long (approximately) and 2.87 inches wide (approximately) WIDE APPLICATION: Wide range of applications: suitable for most types of double breathing valve masks, suitable for sports, outdoor, running, dustproof, activated carbon masks, etc USAGE STEPS: Open the mask to expose the inside of the breathing valve. According to the opening direction of the breathing valve, turn the valve counterclockwise to separate the valve, remove the breathing valve, replace the breathing valve and filter assembly, reverse the above steps, and then turn the valve clockwise SATISFACTION: We are involved in material selection, product design and packaging. If you have any questions about our breathing valve and filter element, please feel free to contact us, we will try our best to solve your problem within 24 hours
EAN: 0729993640870
Manufacturer: Irisvito
Brand: Irisvito
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