2730 N100 Particulate Respirators• 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 in accordance with ANSI/ISEA 110-2003 section 7.11.1• NIOSH approved N100• 5 respirators per box