3M Respirators and other respiratory supply equipment availible. 3M™ Half and Full Face Respirators 6000 Series are low maintenance and allow the use of replaceable cartridges and filters. 3M™ Half and Full Face Respirators 7000 Series are made of silicone rubber for increased durability and can accommodate many different cartridges and filters. 3M 6000 series respirators and 3m disposable respirators such as 8200, 8511, 60921 are NIOSH and OSHA approved.