5 Regular N BD 888579253931 12393-106-9

Top flap is held closed with a hook and loop closure

Adjustable retention screws for added security

It features twist-and-lock connectors for easy installation

WCUniforms ECO Lab-Tested Soft Adult Face Masks 93.6% PFE M100 - Plain PACK SIZE:20 5 Regular N BD 888579253931WCUniforms ECO Lab Tested Soft Adult Face Masks 93. 6% PFE M100 Plain WCUniforms Eco Adult Face Mask has a 93. 6% PFE (Particle Filtration Efficiency) rate which is the highest ratings in the cloth mask product line up we offer. The Eco Mask is a reusable, eco friendly, and sustainable 2 ply mask made of 70% recycled material. Lightweight, breathable, and super soft comfort fit for all day wear. Each mask is made using RPET poly from recycled water