◎ It can be classified to: Amies medium, Amies with Charcoal, Stuart medium, Stuart Charcoal, Cary-blair medium and Cary-Blair with Charcoal. ◎ It can supply a best solution for the collection ,storage, transportation of the microorganism specimen, whose character and activity can be effectively protected before analysis. ◎ It is composed of collection swab and swab tube with medium. According to different requirements, the swab stick has optional material like wood, PP or PS. The swab tip material is available in superior absorbent cotton, artificial cotton, polyester fiber.