... black remarks for lab use. Detailed Description of conical centrifuge lab tube:Centrifuge lab tubes are made of medical grade polypropyleneConical ... centrifuge tubes are available in 2 volumes of 15 ... easy identification,Sterilized by Gamma irradiation, and Non-pyrogenic,Centrifuge tubes lids are Leak-proof, Stock No.productEccentricityPackage WHB- ...