BioDot Ultra Spin Microcentrifuge Tube, 0.5ml, Non-binding, Firm/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, 500 Per Pack
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