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BCR* High Efficiency Mask, Berkshire
Three-layer mask for controlled environments. High efficiency (96% at 1 micron) polypropylene filter is held between 100% nylon outer layer and 100% rayon inner layer. Pressure differential of 1.98 for continuous comfort and breathability. Polyurethane ear loops can be worn around the ears or fastened with a polyethylene clasp. Ultrasonically bonded seams. (Berkshire BM.1.12)
Three-layer mask for controlled environments. High efficiency (96% at 1 micron) polypropylene filter is held between 100% nylon outer layer and 100% rayon inner layer. Pressure differential of 1.98 for continuous comfort and breathability. Polyurethane ear loops can be worn around the ears or fastened with a polyethylene clasp. Ultrasonically bonded seams. (Berkshire BM.1.12)
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