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Surgical and filtering facepiece (FFP3) masks were tested, and the situation without a mask served as control. The IOM sampler contained a cassette with two filters to collect large inhalable (4–100 m) and respirable dust particles (4 m). The amount of particles was determined gravimetric...
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Type:Cup Mask ,head-wearing;Function:Anti- PM2.5,Smog;Color:White,Gray,Red Customized;Product name:Cup dust mask,head-wearing;Layer:4layer protection(with carbon);MOQ:240pieces;Shelf Life:3 years;Keyword:Smile Clear Face Mask,Pm2.5 face mask;Place of Ori
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Comprehensive Protection: The 3-layer mask provides comprehensive protection against dust, chemicals, and other airborne particles, ensuring a safe and healthy breathing environment. (User input: None) Soft and Breathable Material: The non-woven fabric used in the mask ensures a soft and breathable ...