High quality glass bell jar, with a glass knob at the top, Ground flange to allow an excellent seal to vacuum pump plates, Safe at high pressures, Dimension: 8-1/2x15in
Jar, Polystyrene Have A Wide Mouth And A Pvc Lid, Its Polystyrene Design Helps To Prevent The Jar From Breaking, Making It Ideal For The Lab Or Classroom Setting, Size: 16Oz