This pump has a pumping rate of 15ml per stroke and can displace up to 725ml of air. It is fitted with valves to release its vacuum and a gauge to monitor the pressure created by the vacuum. The vacuum pump is used with the #4400 Filtering Kit, and it is a great demonstration of atmospheric pressure. An instruction sheet is provided.
WARNING: This product can expose you to chemicals including acrylonitrile, nickel, and chromium, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Our products are not toys. Use in a laboratory or educational setting only. Not for children 13 and under.