"graduated cylinder"

A pair of tubes for elecrolysis experiments.

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These conical centrifuge tubes are sterile with imprinted graduations up to 15 ml.

These high-clarity polypropylene (PP) round bottom test tubes have a 3,000 RCF rating. The tubes come with polyethylene dual-position snap caps, which offer both vented and fully closed positions.

Sterile, bulk packaged, natural colored 50 ml conical tubes.

Sterilized polystyrene transport tubes with polyethylene screw cap.