BarriAire™ Particulate Barrier Technology products offer more protection, comfort and value. BarriAire™ particulate products combine two layers of proven flame resistant fabric and a middle layer of ultra-lightweight DuPont™ Nomex® Nano Flex fabric which blocks penetration of 96% (BarriAire™ Gold quilted composite) to 98.8% (BarriAire™ Silver laminated composite) of harmful submicron size particulates. BarriAire™ Gold quilted composite fabrics recently achieved Viral Filtration Efficiency (VFE) Rating of 96.8% and Bacterial Filtration Efficiency (BFE) Rating of 97.9%. BarriAire™ Silver laminated composite fabrics recently achieved VFE Rating of 99.7% and BFE Rating of 99.9% (VFE and BFE testing as conducted by Nelson Labs, U.S.A.).