10 x unopened boxes of 5 x 3M FFP3 disposable Face Masks with in-built valve. Selling to free up storage space. -Box of 5 reusable FFP3 face masks. -Comfortable, lightweight off-the-face design. -Reliable, effective protection against solid and liquid particles. -3M Cool Flow valve reduces heat build-up for improved comfort. -Soft sealing ring and adjustable straps for properly sealed fit. -Tested and certified to EN 149:2001+A1:2009
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