After hours: February 21 at 5:29:10 PM EST Loading Chart for DCI ...

After hours: February 19 at 5:48:58 p.m. EST ...

Unlike barrier filters which trap expectorated matter whilst allowing viruses and bacteria to pass through, Vitalograph filters use an electrostatically charged material that traps expectorated ...

Our expert, award-winning staff selects the products we cover and rigorously researches and tests our top picks. If you buy through our links, we may get a commission. Laboratory Technical Project ...