BioDot Ultra Spin Microcentrifuge Tube, 0.5ml, Firm with Positive Cap Closure, RCF up to 20,000xg, Ultra Clear, Homopolymer Polypropylene, External Graduations with Frosted Writing Area, Boil Proof, Autoclavable, Certified RNase, DNase, DNA and Pyrogen Free, 1000 Per Pack
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