Single Use Surgical Mask. Wholesale and Distributor opportunities available Box - 25 Masks | Case - 450 Masks | Pallet - 8,400 Masks PQM LibertyAIR is an independently tested face mask that you can rely on to reduce the risk of breathing poor air and protection during unprecedented times. For single use in Healthcare and Medical Settings in Compliance with FDA Enforcement Policy* Particle filtration efficiency greater than the minimum N95 standard, for non-oil based particulates. Tested as per ASTM F2299 at 0.1 micron 100% Pass rate for Bacterial Filtration Efficiency. Tested as per ASTM F2101-19 Level 3 Pass for Blood Penetration pressure testing as per ASTM F1862/F1862M-17 at 160 mmHg pressure Meets flame resistance in accordance with to 16 CFR 1610 (1-1-16 Edition) 100% Latex Free Made in USA of Domestic & Imported Materials