Specifications Conforms to EN 14683 Type II and ASTM F2100-11 Level 2 for the following: Delta P: <5.0 mmH20 /cm2 BFE: > 98% PFE: > 98% 2000/Carton Each carton contains 40 boxes of 50 per box SKU: 5f8e6c0d7152-1-1-1-1-1 Category: PPE Personal Protection Equipment