Meltblown Nonwoven Cloth Filter Fabric Non-Woven Material Set for Breathing Protection Filtering Layer Application Activated Carbon Filter(Multiple Sizes?

This is shown as a material on a roll. It came in a flat pack and had obvioualy been in roll and rerolled for shipping so it was HANDLED EXTENSIVELY. HOW IS THIS A FILTER IF YOU HANDLED EVERY INCH OF IT TO SAVE ON SHIPPING.

This product is CRAP!!! DO NOT BUY; it went straight in the trash!!!

Not filtering material. It is for the outside layer of the surgical mask. Air easily is blown through. Wrong description.