2730 N100 Particulate Respirators by MOLDEX• Handystrap® with buckle• Ventex® valve lets the hot air out faster• Soft foam face cushion• Dura-Mesh® shell resists collapsing• Available in two sizes to fit most workers• Meets heat and flame resistance inaccordance with ANSI/ISEA110-2003 section 7.11.1• NIOSH approved N100• 5 respirators per box