We are looking for 3ply surgical mask, Net Weight: 3.8kgs/ctn Gross Weight: 5.5kgs/ctn Carton Size: 43x28x42cm BFE >99% PFE >99% VFE >99% Breathability – Delta P: > 5.0 mm H2O/cm2. High Fluid Resistance: 160 mmHg Quantity:50,000-Unit Frequency:Monthly Port:Houston Payment Methods:PayPal,Other Show More