Description :<br>3M 3N11CN Filter Cotton for 3M 3850 3301CN 3200 Gas Mask<br>Specifications :<br>Brand name : 3MModel : 3N11CNQuantity : 1pcProtection level : 95% (Non-oily particle)Application : the filtering of various kinds of non oily particles， but does not apply to radioactive， high toxic particles<br>Note :1. This product can't apply alone， need to cooperate with filter cotton cover 3850， 3301CN chemical cartridge and 3200 half mask.2.When the Filter Cotton is dirt， damage， or breathing resistance increased obviously， please change it in time :)<br>Package includes :<br>1 x 3M 3N11CN Filter Cotton<br>Details pictures :