Potter-Elvehjem Tissue Grinder, PTFE and Graduated Glass, Size 21

A graduated tube and a finely machined PTFE pestle comprise this popular styleRadial serrations on the lower portion of the pestle deliver the homogenate into the cylindrical portion of the tubeGraduations are fused into the glassReplacement components are available and completely interchangeable4 mL tubes have a clearance of 0.003-0.005" between pestles and tubes10 mL tubes have a clearance of 0.004-0.006" between pestles and tubes30 mL tubes have a clearance of 0.005-0.007" between pestles and tubes55 mL tubes have a clearance of 0.006-0.009" between pestles and tubesManufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

Product must be used in compliance with the intended use statement listed on the product or its accompanying product information.