All products are equipped with anti-counterfeiting measures. Customers can rest assured to purchase. The dotted line area may be fragile and prone to breakage with external force during sorting, packaging, and delivery. However, as long as the inner sealed bag is not opened, the product can still function effectively.
3. Customer Needs to Know
3 M masks are personal hygiene protective items and are individually sealed. Once the packaging is damaged and cannot be resold, it cannot be returned or exchanged. Customers are advised not to mistakenly purchase. The ear-loop style masks may feel slightly tight as they are professional protective masks. Customers who are concerned about this can choose the headband style for a more comfortable fit.
Customers can verify the authenticity of 3 M mask products by scanning the QR code or by visiting the official WeChat accounts "3 M Personal Protective Expert" and "3 M Enjoy Life". The 3 M 9501+ masks comply with the standard GB2626-2019 KN95. Customers are advised to carefully read the user instructions before use.
5. Product Details
The 3 M KN95 series protective masks are designed to protect against particulate matter, dust, haze, and droplets. They are self-priming filter respirators with no exhalation valve. The masks are made of non-woven fabric, melt-blown fabric, and electrostatic filter cotton. The electrostatic filter layer has strong adsorption capacity and can filter out harmful substances effectively. The filtration efficiency for non-oily particles is ≥95%.
6. Quality Assurance
The masks have been tested and approved by the Shanghai Institute of Safety Production Science Research for reliability and safety. The testing report includes details on appearance, filtration efficiency, headband, combustibility, and manufacturer information.
7. Product Variants
The 3 M 9501+ and 9502+ masks are available in ear-loop and headband styles. They are made of high-efficiency electrostatic filter material and non-woven fabric, with a shelf life of five years. The masks are designed to protect against dust, haze, and droplets, and feature an adjustable nose clip, upgraded knitted ear loops for comfort, and skin-friendly non-woven fabric for a secure fit.
8. Product Presentation
The 3 M 9501+ and 9502+ masks are displayed in eco-friendly and double-pack options, featuring a self-priming filter respirator design with no exhalation valve.
For more information, customers can refer to the detailed product specifications provided by 3M.