Advanced rubber material: comfortable fit, soft facial fit, suit for long time wearing.
Disposable compression molding, oil resistance, and not aging, long service life.
High efficiency filter cotton: efficiency electrostatic.
Cold exhalation valve: The exhalation valve open amplitude, breath more smoothly.
Reduce heat and moisture accumulation inside the mask, keep the air fresh.
Features:<br/>Advanced rubber material: comfortable fit, soft facial fit, suit for long time wearing.<br/>Disposable compression molding, oil resistance, and not aging, long service life.<br/>High efficiency filter cotton: efficiency electrostatic.<br/>Cold exhalation valve: The exhalation valve open amplitude, breath more smoothly.<br/>Reduce heat and moisture accumulation inside the mask, keep the air fresh.<br/>The snap-fitting design: Fliter cover and filter cotton installation and removal more convenient<br/>A variety of spare parts selection, use wider, more economical, maintainability.<br/>Advanced headband design: adjustable headband, more comfortable to wear.<br/>Polyester spandex knit headband, flexible and more durable.<br/><br/>Specifications:<br/>Brand: 3M<br/>Material: rubber, nylon, cotton filter<br/>Size: Universal<br/>Color: Grey<br/>Quantity: 1 Mask &#43; 1 Filter Cover &#43; 1 Filter Cotton<br/>Protection standards: KN90<br/>Purpose: protection of dust, pollen, industrial dust, cement dust, haze, microorganisms and other non-oily particulate matter<br/>Package Weight: 200g / 7.05oz <br/>Package Size: 20 * 20 * 10cm / 7.87 * 7.87 * 3.93in     <br/>       <br/>Package list:<br/>1 * Mask<br/>1 * Filter Cotton<br/>1 * Filter Cover