3M™ Secure Click™ Particulate Filter P100 D3091 is NIOSH-approved and designed to help filter a broad range of oil and non-oil based airborne particulate contaminants. The D3091 particulate filters are for use with 3M™ Secure Click™ facepieces. 3M™ Secure Click™ Particulate Filter P100 D3091 has the Secure Click™ connection style. The 3M™ Secure Click™ connection style enables a quick, simple connection of the particulate filters. Simply align the connections on the facepiece and filter and push until you hear a click. The innovative Secure ...