The world's only Gore-Tex (ePTFE) filter Shaburi-type productFiltration performance maintained even in moistureOver 90% UV protection on all productsComfortable wear without ear pain by using nonwoven fabric made of elastic materialPatented ergonomic stereoscopic designDirectly produced in Korea with self-developed filtersePTFE is a safe material used in artificial blood vessels and advanced semiconductor production linesApplying the additive-free stretching method developed by Sinopex, a filter companyUV sterilization on the lining, vacuum suction process, Dermatest Excellent