Description
MetalFree® freestanding tubes with separate flat screw caps. Certified free of metals to 1 part per billion of 43 common elements. Caps are pure natural polyethylene. Patented anti-smear writing surface. 3 color printed graduations and reverse reading scale. ATP, RNase/DNase and Endotoxin Free (non-pyrogenic). Polypropylene USP Class VI resin. Centrifuging to 12,500 x G. Freezable to -80C. Tubes Autoclavable. Capacity: 50 mL. Natural colorless caps. 500 tubes and 500 caps in separate bags. Made in USA.
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