- Portwest P304 FFP3 Valved Dolomite Light Cup Respirator
Disposable respirator with a lightweight cup featuring EVA foam under the adjustable nose bridge for extra comfort. Ultrasound welded and metal free the exhalation valve works efficiently to reduce heat inside the mask and provides comfort when used in hot and humid conditions. DOLOMITE optional test clogging test.Features: Retail box – Dolomite optional clogging test (D) – High performance exhalation valve – Ultrasound welded elastic straps – CE-CAT III – Large inner space.
This dustmask respirator conforms to EN 149 FFP3 (NR D). FFP3 respirator masks give the best disposable protection of all 3 classes. The leakage can be not more than 5% and they have to be able to filter 99% of particulates measuring up to 0.6 μm. FFP3 masks also must filter out 99% of particles and offer protection from oncogenic, radioactive and poisonous particles sized up to 0.6 μm. Used commonly by the chemistry industries, they can transgress the OEL by 30 fold of the specific values of the industry.
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