:dc Gram particles- Industrial three-dimensional film mask occupational protection box (120 pieces/box)

Have you ever wondered why factory floors are always greasy? https://youtu.be/gAk4c_3nZSY Breathing is also a kind of aesthetics. Daily habits create an attitude towards healthy life. https://youtu.be/cBTd3g2aQxk https://youtu.be/NLtHbVuTcJw * Gram particulate three-dimensional PM2.5 anti-air pollution washable nanofilm mask * Breathing in three-dimensional space is smooth, no need to use mask support frame * Special cotton rope ear straps allow you to wear them for a long time at work, still comfortable and without any marks. * 95% oil fume proof, 99% dust proof, 100% suitable for you who care about healthy breathing * High-efficiency filtration + breathable and comfortable + oil-proof and not afraid of humidity * Replace the general N95 mask, more breathable and more comfortable *Lightweight and three-dimensional design, getting rid of heavy burden, allowing you to breathe freely even if you wear it all day long. * Environmental protection can be washed and reused. It is recommended to wash with water every day, and replace the mask with a new one every 5-7 days. 1 mask is worth 7 N95 masks * Each box of masks has an independent ID card for quality control https://www.dctpro.com/img/fitted_flat_facemask-img-12.png Suitable for: 95% protection against kitchen fume particles: Suitable for kitchen workers, frying, grilling, and quick frying. 99% protection against grinding dust: Suitable for precision processing, carbon fiber and glass fiber processing, manicure, food seasoning processing, building decoration, construction engineering, grinding processing industry, wood processing plant 95% protection against chemical aerosols: suitable for gas stations, precision machining, beauty salons, motorcyclists, paint decoration, shoe industry Product specifications: 120 pieces per box -Three-dimensional adult XL: approximately 140 mm X 153 mm (expanded width approximately 200 mm) -Three-dimensional adult L: approximately 125 mm X 150 mm (expanded width approximately 180 mm) -Three-dimensional adult M: approximately 115 mm X 140 mm (expanded width approximately 170 mm) If you feel loose when wearing a regular flat mask, please choose M Size. If you think a flat mask is just right, please choose L Size If you think the flat mask is too small, please choose XL Size If you usually wear "S/M" size clothes, you can choose M/L Size. If you usually wear the "L / XL" size, it is recommended to choose the safe L / XL size. The appreciation period is not the trial period, and the returned product must be unopened, brand new and fully packaged (keep the integrity of the product, accessories, packaging, manufacturer's carton and all accompanying documents or information). Mask products belong to the nature of personal hygiene products, and there are reasonable exceptions stipulated in Article 19 of the Consumer Protection Law. There is no 7-day hesitation period after unpacking, and returns and exchanges are not accepted.