Medium Filters Archives - AAFThailand- hepa filter สำหรับมาส์กหน้า ,AAF International (Thailand) Co., Ltd. 909 Ample Tower, 20th Floor, Room No.20/1-2, Debaratna Road, Bangna Nuea, Bangna, Bangkok 10260 ThailandMechanical Filters - draeger.comThe SafeStar mechanical HEPA breathing filters from Dräger meet high standards for infection prophylaxis in ventilation. The active medium of these mechanical filters is a hydrophobic filter membrane of coated glass fibers developed specifically for this purpose.