EZ22 Style: Filtration Grade N95 (part# EZ22) This item features: -Adjustable strap for a custom fit. -Collapse-resistant Dura-Mesh shell. -Easy on, easy off head harness for a quick fit. -First NIOSH approved single strap disposable respirator. -Pinch free - no metal nose band to pinch tight. -Ventex valve to let the hot air out faster. -Size Group: Medium/Large. -Resistance: Aerosols Free of Oil. -Suspension: Single Strap. -Quantity: 10 per bag. -Price is for 1 Each. Testing and approvals: -NIOSH approval.