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Hartmann Felt Undercast Orthopedic Felt, 21 x 36 Inch Nutritionals and Feeding Supplies>Nutritionals>Modular Components 60° and 90° MCK_974954_1 EA 60° and 90° Respirator class N95 (NIOSH approved) NIOSH approval TC 84A 5726 Model 3M Aura 1870+ Surgical clearance FDA cleared surgical mask Design 3 panel horizontal flat fold Particulate filtration At least 95% of non oil airborne particles Bacterial filtration Greater than 99% BFE (ASTM F2101) Fluid resistance 160 mmHg (ASTM F1862 Hartmann Felt Undercast Orthopedic Felt For use as foot arch pads
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