Plastic Hydrometer Jar with Removable Base

Testing Jar 12" High with Screw Off Base This revolutionary Screw-off base testing jar, allows you to thoroughly clean the base, and the acrylic tube. Just screw-off base for cleaning and screw on again. BPA Free Maximum Temperature: 75 °C (167 °F). Tube Diameter: 1.25 inch, 3.2 cm Base Diameter: 3 inches, 8 cm NOTE:  Use the least amount of force to tighten the tube so you achieve a good seal. If you overtighten the base may become unstable and wear faster the liner that provides a good seal (worst case, you may break the tube).