P these scan fpp3 premier valved disposable masks are designed to cover the nose, mouth and chin. The construction is made of the filter material itself, and the exhalation valve makes breathing easier. These masks have passed the optional dolomite clogging test, giving the user better breathing resistance for longer. They are ideal for use with br toxic waste disposal br casting metals br smoke fumes br paint and varnish fumes br welding br hand and power sanding of soft and hard wood and mdf dust br masonry and concrete dust br metalworking with power tools br loft insulation fibre glass br mineral fibres br silica p p with a fpp3 protection level, these masks will protect lungs against very fine particles less than 2 microns, such as very fine dusts, fibres, aqueous mists and oil based mists. For a guide on protection levels, please see below. P p the masks have elasticated retaining straps to keep them securely in place. In addition they have an adjustable nose clip and full pvc face seal for custom fitting. The non irritating inner face piece ensures added comfort. To be disposed of after each period of work or 8 hour shift. P p the masks conform to en149 200143a1 2009. P p disposable mask protection levels br ffp1 particles larger than 5 microns. Dusts, fumes, aqueous mists, oil based mists br ffp2 particles between 2 and 5 microns. Fine dusts, fibres, aqueous mists, oil based mists br ffp3 particles less than 2 microns. Very fine dusts, fibres, aqueous mists, oil based mists br en149 filtering face piece for particulates. P p these scappep3mvd moulded valved disposable masks are supplied in a pack of 2. P scappep3mvd