Air Pump Plate

For use with a standard bell jar for demonstration experiments involving low pressure. The plate is made of PVC and has a vacuum connection fitting with valve and thumb screw for the return air. Two standard 4 mm jack connectors are provided with 4 mm jack connectors available inside the jar. Tube Dimensions (Dia.): 10 mm. Plate Dimensions (Dia.): 210 mm.
• For use with 150 mm diameter bell jars only
• Tubing not supplied.