1 Sheet of Nano Fabric. This sheet is 10 by 10. 
Material is engineered using our patent-pending Nanofiber technology and is highly-efficient (up to 95%) on sub-micron particles, including bacteria and viruses. Material is contructed from polypropylene spunbond nonwoven with a Nanofiber fine fitration layer and surface layer of polyester nonwoven. Polypropylene/Nanofiber/Polyester composite filter media