ASTM Level 1 Mask, Latex Free (LF), Blue, 50/bx

Crosstex-GCIBL Earloop Masks - "BLUE", Fluid Resistant Outer Layer, White Tissue Inner Layer,

BFE >98.4%, PFE = 98.5% at 0.1 micron, Latex-Free Shipping, Extra-Long Aluminum Nose Piece, Delta P (breathablility) < 4.0, ASTM Level 1. Box of 50.