... storage for blood sedimentation in clinic,in labs/hospitlas . 2 CE ,ISO13485 ,FDA Certificate L6011 Erthrocyte Sedimentation Rates Tube L6012ESR Tube ,black ... . 1 Brand : Sorfa or OEM . 2 International quality approvals: CE, ISO9001, ISO13485, FDA ect. 3 Material : PS/PE/PET/Glass . 4 Additive ...