3M™ Respirator Air Heating Assembly

*It is the employer’s responsibility to ensure that the compressed air used with any supplied air system meets the requirements for at least Grade-D breathing air per the Compressed Gas Association Commodity Specification G-7.1-1997 in the USA. In Canada refer to CSA Standard Z180.1 table for the quality of compressed breathing air.
NOTE: Headgear, breathing tube, air cotnrol valve and compressed air supply hose are required parts in a NIOSH-approved system. Any NIOSH certification appearing on 3M™ components is strictly limited to use in an approved air system and only in full accordance with the specifications and limitations under said approval. NIOSH certifies complete assemblies only, not sub-assemblies.
*It is the employer’s responsibility to ensure that the compressed air used with any supplied air system meets the requirements for at least Grade-D breathing air per the Compressed Gas Association Commodity Specification G-7.1-1997 in the USA. In Canada refer to CSA Standard Z180.1 table for the quality of compressed breathing air.