... of medical grade PE,Conical bottom with stand , white writing area and black remarks for lab use. Detailed Description of conical centrifuge ... 2 volumes of 15 and 50mL,Conical bottom with stand,Providing a white writing area and white remarks for ... stand, sterile >8400G 50 pcs/stand, 500pcs/ctn. WHB-50 15ml centrifugal tube with stand, sterile >9400G 25 pcs/stand, 500pcs/ctn.... Conical Centrifuge Lab ...