Face Masks Particulate Filtration Efficiency PFE Tester

GLE-20 - Lisun Electronics Inc.

GLE-20 is an oil-salt two-in-one Face Masks Particulate Filtration Efficiency PFE Tester. According to ASTM F1862-17, ASTM F2299-03 (2017), ASTM F2100-2019, BS EN14683-2019, BS EN 14387-2004+A1 2008, BS EN 136-1998, BS EN 140-1999, BS EN 143-2000 +C1-A1, BS EN 149-2001+A1, etc. It is used to test the particulate filtering efficiency of daily protective masks and medical masks, and to determine the obstruction performance of ordinary fabrics and medical protective masks against a constant flow of airflow.