现在 mqdirect.com 有现货 KN95 限时优惠活动，每只最低仅仅$1.75！活动仅限2天！
活动链接：https://mqdirect.com/collections/face-masks/products/kn95-mask
- Resistant design/construction for multiple wears
- FDA & CE approved for at least 95 percent filtration efficiency against certain non-oil based particles
- 5 layers provide higher level of protection
- Two-strap design with welded dual point attachment helps provide a secure seal
- Compatible with eye wear protection glasses & face shields
注意：这个是符合中国标准的、美国 FDA 认证的 KN95 口罩，不是 N95 口罩。网上有很多两者的比较，对于我们普通用户来说是差不多的：https://smartairfilters.com/en/blog/whats-the-difference-between-n95-and-kn95-masks
