3M HF-803SD Secure Click Speaking Diaphragm Half Mask Size:LARGE 3 Cal/cm2) (APC = 1)

3 Cal/cm2) (APC = 1)

Self double yoke back

Back and chest steel D-Ring

Press stud ankle adjustments

non-allergenic material

3M HF-803SD Secure Click Speaking Diaphragm Half Mask Size:LARGE 3 Cal/cm2) (APC = 1)3M Secure Click Reusable Half Face Mask HF 800 Series is available as two versions, HF 800 and HF 800SD. The HF 800SD versions have a speaking diaphragm. Both versions are available in three sizes. 3M Secure Click HF 800 Series Half Mask Reusable Respirator helps protect against particulates and a wide variety of gases and vapours when used with approved 3M Secure Click cartridges and filters Greater breathability and comfort provided by the worlds