http://www.costco.com/3M-N95-Particle-Respirator-8200-Mask-20ct-MMM-8200.product.11522945.html
To prevent PM 2.5, don't even think about it![]()
这是美国costco啊,加拿大这边没有:(
自己回自己一个,Home Depot有卖的~~
www.homedepot.ca/product/3m-particulate-respirator-n95/995847
有便宜的这是美国costco啊,加拿大这边没有:(
自己回自己一个,Home Depot有卖的~~
www.homedepot.ca/product/3m-particulate-respirator-n95/995847