1. Distinguish from packagingGenerally, there are different technical standards for the three kinds of respirators, namely, disposable medical respirator (YY / t0969-2013), medical surgical mask (yy0469-2011) and medical protective mask (gb19038-2010). You can judge which type of mask the product be

1. Distinguish from packagingGenerally, there are different technical standards for the three kinds of respirators, namely, disposable medical respirator (YY / t0969-2013), medical surgical mask (yy0469-2011) and medical protective mask (gb19038-2010). You can judge which type of mask the product be

1. Distinguish from packagingGenerally, there are different technical standards for the three kinds of respirators, namely, disposable medical respirator (YY / t0969-2013), medical surgical mask (yy0469-2011) and medical protective mask (gb19038-2010). You can judge which type of mask the product be

1. Distinguish from packagingGenerally, there are different technical standards for the three kinds of respirators, namely, disposable medical respirator (YY / t0969-2013), medical surgical mask (yy0469-2011) and medical protective mask (gb19038-2010). You can judge which type of mask the product be

1. Distinguish from packagingGenerally, there are different technical standards for the three kinds of respirators, namely, disposable medical respirator (YY / t0969-2013), medical surgical mask (yy0469-2011) and medical protective mask (gb19038-2010). You can judge which type of mask the product be

1. Distinguish from packagingGenerally, there are different technical standards for the three kinds of respirators, namely, disposable medical respirator (YY / t0969-2013), medical surgical mask (yy0469-2011) and medical protective mask (gb19038-2010). You can judge which type of mask the product be

1. Distinguish from packagingGenerally, there are different technical standards for the three kinds of respirators, namely, disposable medical respirator (YY / t0969-2013), medical surgical mask (yy0469-2011) and medical protective mask (gb19038-2010). You can judge which type of mask the product be

1. Distinguish from packagingGenerally, there are different technical standards for the three kinds of respirators, namely, disposable medical respirator (YY / t0969-2013), medical surgical mask (yy0469-2011) and medical protective mask (gb19038-2010). You can judge which type of mask the product be

1. Distinguish from packagingGenerally, there are different technical standards for the three kinds of respirators, namely, disposable medical respirator (YY / t0969-2013), medical surgical mask (yy0469-2011) and medical protective mask (gb19038-2010). You can judge which type of mask the product be