Portwest FFP1 Exhalation Valve Respirator Disposable Face Mask is effectively shields against solid and liquid particles without specific toxicity. With a minimal filtration percentage of 94%, it exceeds industry standards, safeguarding up to 10 times the TLV. Our cup-shaped respirator features foam padding strategically placed around the nose bridge for enhanced comfort. Crafted from a combination of PP and PU Foam. Protects against pollen, common household dust and other non-toxic particles. Also applicable when handling of stone/rubble/cellulose. The extensive biztex range offers a high level of protection and quality safeguarding the wearer against many workplace risks including liquid chemicals, static electricity, dry particles and radioactive contamination.