2x Portwest P351 FFP3 Valved Dolomite Disposable Face Mask Respirator
What Can the Portwest P351 FFP3 Valved Mask Be Used to Protect Against?. The dolomite filter will help to filter out 20 x FFP3 Disposable Face Masks. EN 149 FFP3 Mask for dust, spores, viruses, mists and more.