These leak-proof conical-bottom centrifuge tubes prevent breakage and leakage during high-speed centrifugation and are made of non-cytotoxic medical grade resin that allows users to easily see sample volume and color
Easy-to-read black graduations in 2% increments
Contains a large, white frosted writing area
Flat caps are leak resistant and feature a molded-in elastomeric sealing ring that keeps the sealed tubes completely secure
These caps are ideal for vortexing chemicals and long rocker incubations