3M Aura Disposable FFP3 Valved Respirator Mask High Performance Filter Material: 3M Advanced Electret filter material helps wearers to breathe easily through the respirator for more comfortable protection 3M Cool Flow Valve: The Cool Flow valve reduces heat build-up inside the respirator - even in hot and humid conditions Unique 3-panel design: Accommodates greater facial movement during speech Sculpted nose panel improves compatibility with eyewear, whilst the embossed top panel reduces fogging Innovative chin tab: For ease of fitting and adjustment of the respirator on the face Colour-coded headbands offer easy protection level identification - colour coded red: FFP3 (APF = 20) Small pack of 5 respirators for convenience Sculpted nose panel helps conform to the nose and contours of the face and helps to improve compatibility with 3M eyewear 3M Cool Flow Valve reduces heat and moisture build-up to offer workers comfortable protection - even in hot and humid conditi