The 3M™ Secure Click™ Organic Vapour Cartridge/Filter with Dual Flow is NIOSH approved and helps protect against certain organic vapours and particulates up to 10 times the Permissible Exposure Limit (PEL). Featuring 3M™ Secure Click™ Dual Flow Technology, this cartridge allows for easier breathing by utilizing four airflow paths. Get certified protection and improved functionality from the 3M™ Secure Click™ Organic Vapour Cartridge/Filter with Dual Flow.