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Jun 05, 2018 · Why is it called 2.5? The 2.5 in PM2.5 refers to the size of the pollutant in micrometers. Bear with us here while it gets a bit mathematics-y! Micrometers have this symbol: µm and are equivalent to 0.001 millimeters. The smallest thing that the average human eye can perceive is about 0.1 millimeters, which is around the same width as a human hair.

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Medical masks mainly include: one-time use medical mask, medical surgical mask, and medical protective mask. Particle protective masks include: daily protective mask, PM2.5 protective mask, and protective masks (with plus P100 filter cotton).

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Nov 27, 2015 · 3) Exactly how bad is PM2.5 in China? According to reports released by the World Bank and the Chinese government, China is one of the countries with the highest levels of PM2.5 in the world. 16 of the world’s 20 cities with the highest air pollution are in China. A fifth of Chinese people in urban areas breathes air that’s heavily polluted.

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Thin, breathable layers of purifying. each a fresh breath. First, face masks have a good filter, antifogging haze filter mask layer 5 comprising a high efficiency filter layer, electrostatic capture and physical barrier in two ways different filter particles.

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Xiaomi Hootim Electric Anti-Haze PM2.5 Sterilizing Anion Mask Provides Active Air Supply Electric Face Mask From Xiaomi Youpin. Specifications: Product size 108 x 98 x 72 mm Ear length 266 mm Rated voltage 3.7 V Product weight 112 g Charging time 2.5 - 3 hours Rated power 0.75 W Noise range 30-40 DB (A) Filter area 26.5 cm Purification efficiency 98.9% Features: 1.

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PM2.5 mask filter, anti haze and dustproof square arc active carbon mask filter, 5 layers of protection for dust, fog, haze, vehicle exhaust. Made of filter cotton, the filter is breathable, windproof, sweat-absorption, comfortable and skin-friendly.The filter element of this mask has 5 layers of protection, bringing you a safe breathing experience.

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USD 54.99 Free Shipping, Wholesale Price, Hootim Electric Anion Sterilizing Mask Active Air Supply Triple Filter For Anti Haze Bacteria PM2.5 Filtration Eficiency 98.9% Above From Xiaomi Youpin - Black

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100 PCS PM2.5 Filter Paper Anti Haze Mouth Mask Anti Dust Mask Activated Carbon Filter Paper Health Care. Feature: Dust mask replacement filter material: Non-woven, Active Charcoal cloth. Compatible with the majority of Dust Masks available in the market PM 2.5, best to protect your mouth and face from Dust, Haze, Germs, Allergies, Smoke, Pollution, Ash, Pollen, Gardening, Crafts, etc. …

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Product Description (Set with 3) The Smartmi Breathlite has a KN95 high efficiency filtration rating, while also being rated for a filtration level effective against over 97% of PM 2.5 pollutants. By using a 3D split-design vaulted skeleton for full facial contact, the utilization area of filter material is close to 100%.

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Washable PM2.5 Anti Haze Mask Breath Valve N95 Anti-dust Mouth Mask Activated Carbon Filter Respirator Brand: LadiesBelle Rated 5.00 out of 5 based on 1 customer rating

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1 x PM2.5 Face Mask. This face mask is made of sponge, soft and breathable. Features: Reusable, Anti-bacteria, Dustproof, with Air Breather. Due to the light and screen setting difference, the item's color may be slightly different from the pictures.

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REUSABLE RESPIRATOR FACE Masks Pollution Air Purifying mask usa 7 DAYS DELIVERY - $8.99. PM2.5 Anti-fog Anti-Dust Washable Anti Haze Activated Carbon Filter Respirator Mouth-muffle for Travel Workshop Features: Keep your face clean and neat ,protect your face aginst dust or any particles from environment. Simple design and look cool. Washable and Recycling.

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Smart Electric Face Mask Air Purifying, Supply pm2.5 PM2.5 Anti Dust Electric Masks Air Purifying Adjustable Breathable Valve Pollution For Unisex Specifications: Item Name: Electric Air Purifying Masks Color: Black Module: fresh air module Material: Polyester PU sponge, PP, edible silica gel Applicable people: adults Rated power: 0.4w Rated voltage: 5V Battery capacity: 600 mA Using the ...

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Breath Valve Pm2.5 Mouth Mask Anti-Haze Anti-Dust Anti Pollution Features: 1. Made by high quality sponge material, breathable and comfortable. 2. Washable, can be repeatedly used. 3. Collapsible, you can put it inside your pocket and bring it anywhere. 4. Elastic widened ear strap design, wear easily, stronger and more comfortable. Description: An upgraded version of the breathing valve ...

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Note SUPPLY TO UK & EUROPEAN COUNTRIES ONLY 1- This is not for medical Use 2- This is only for Sports / Anti Pollution / Anti Dust Mask PM 2.5 Protection PM 2.5, best to protect your mouth and face from Dust, Haze, Germs, Allergies, Smoke, Pollution, Ash, …

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BodyGuard's n99 pm2.5 anti pollution face mask with activated carbon and 6 layers filtration is claimed to be designed to help provide "quality, reliable respiratory protection". The mask has activated carbon to filter impurities of air and uses a variety of features to …

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Apr 01, 2020 · 1 The Best Anti-Pollution Masks. 1.0.1 Here Is Some Relate Product: 2 The best mask for COVID 19; 3 An effective way to wear mask protects from COVID 19. 3.1 #1. Anti-Pollution-Mask-with-Exhaust Valve + 8 FILTERS; 3.2 #2. PM2.5-Cotton-Face-Mouth-Mask; 3.3 #3. HTSM Dust Mask Anti-Pollution PM2.5 Face Masks; 3.4 #4. N95 Anti Dust Mask Pollution ...

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Mask, Face Mask, Dust Mask manufacturer / supplier in China, offering Masks Dust Mask Anti Virus Mask Pm2.5 Haze Mask Anti Influenza 3m 9501/9502/9001/9002 Face Mask, High Flow Nasal Cannula Oxygen Therapy Device ICU Ventilator Portable Ventilator Emergency Ventilator 510s Anesthesia Ventilator, Air Disinfectant and Deodorizer Spray Hand-Free Sanitizer Multi-Function Liquid Soap …

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Mar 01, 2020 · P2 N99 PM2.5 Respirator Face Mask with Value. FM1 N95 Sports Outdoor Running Cycling Elastic Face Mask with Filter Activated Daily Reusable Carbon Anti-Pollution PM2.5 Anti Dust Protection Haze (A Style - Gray) $ 6.25; CYBOWING Child Anti Pollution Mask Dust Pollen Allergies 7~13 years old (C/Blue)

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Honeywell anti-pollution masks use 3 Layer Media filtration technology which blocks even the smallest of particles responsible for air pollution. These masks are made of High quality filter media which blocks PM2.5 dust, haze, bacteria, influenza viruses etc. The 3 layer filter media increases effective filtration time by 50 percent, compared ...

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Highlights. Product Usage. Protection against gases, smells, PM2.5, pollen, second smoke and pathogens such as viruses and bacteria. Comfort Wear. The mask uses filter elements of N95 grade and high-quality polyester, soft silica gel of food grade ensure no …

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Note SUPPLY TO UK & EUROPEAN COUNTRIES ONLY 1- This is not for medical Use 2- This is only for Sports / Anti Pollution / Anti Dust Mask PM 2.5 Protection PM 2.5, best to protect your mouth and face from Dust, Haze, Germs, Allergies, Smoke, Pollution, Ash, …

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Notes:This is Mask Filter ,Not Mask!!!!!! Description: The filter element of this mask has 5 layers of protection, bringing you a safe breathing experience Special 5-layer activated carbon filter can effectively filter PM2.5 haze, dust and other fine particles Prevent second-hand smoke and automobile exhaust. The filter cannot be cleaned.

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Xiaomi Smartmi PM2.5 Anti-Haze Mask – Black Main Features: PM2.5 filtration efficiency is over 97pct 3D split vault skeleton, even breathing even if you exercise Large diameter cold flow breathing valve for smoother air circulation Ultra-thin silicone valve, sensitive rebound, high airtightness High-efficiency filtration of 5-layer filte

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Special 5-layer activated carbon filter can effectively filter PM2.5 haze, dust and other fine particles. Prevent second-hand smoke and automobile exhaust. The filter cannot be cleaned. It is recommended to replace it once a week. Specifications: Anti haze and dustproof square arc active carbon filter active carbon PM2.5 mask filter. Weight?15g

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PM2.5 mask filter, anti haze and dustproof square arc active carbon mask filter, 5 layers of protection for dust, fog, haze, vehicle exhaust. Made of filter cotton, the filter is breathable, windproof, sweat-absorption, comfortable and skin-friendly.The filter element of this mask has 5 layers of protection, bringing you a safe breathing ...

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