Description
Efficient filtration at least 95% of dust, haze, droplets, etc 4-layer purification melt-blown nonwovens, moderate thickness for particle absorption double layered electrostatic filter, and high efficiency at filtering particles . Advance nonwovens fabric provides easier breathing Comfortable to wear, low impedance filter material with no odor. Adjustable metal strip ensures optimal sealing between the bridge of the nose and the mask. WARNING Do not use the mask in medical and surgical environment. Do not use it in an environment with oxygen concentration below 19.5% Do not use the if you have a beard or other facial hair hair that has direct contact between your face and the edge of the mask. Do not use the mask toxic gas environment. All orders will be shipped the same day in orders placed before 5 pm. Orders placed after 5 pm will be shipped the next day. Orders placed on weekends and US holidays will be shipped next business day. Domestic orders typically take from 3 to 5 working days. International orders can take longer depending on the territory. Please be advised that our shipping times are estimated and may be subject to delays due to adverse weather conditions. Severe weather, natural disasters, and other conditions beyond our control can occasionally disrupt our delivery partners' ability to transport and deliver your order within the originally estimated timeframe. In the event of such weather-related delays, we appreciate your patience and understanding as we work diligently to ensure your order is delivered as soon as conditions permit. We will make every effort to communicate any significant delays to you and to minimize any inconvenience.