50ml centrifuge tube polystyrene reusable rack dnase rnase free sterile 25 pk

● Two-color silk printing, clear marks, black scale, and white writing area ● One-hand operation, easy to coil cover, good sealing ● Sterilized by E-Beam, DNase, RNase-free, non-pyrogenic ● Tubes packed in bulk or PS rack, plastic rack is economic and environmentally friendly ● PE for the lid, PP for the tube Max RCF: 12,000xg