Wheaton 356943 Glass 25mL Celstir Spinner Flask, with 15-415 Screw Caps, 54mm x 134mm

The Wheaton Double Sidearm Celstir with water jacket allows precise temperature control of its contents when operated with a recirculating water bath. The hose connectors accept 1/4in (6.35mm) ID tubing. This unit is made from Wheaton 33 low extractable borosilicate glass that conforms to USP Type I and ASTM E-438 Type I, Class A requirements. Units 500mL and larger can be used with the Wheaton Vented Cap (Number W240751) which enables the flask to “breath” while protecting from contamination.

• Water jacket allows for precise temperature control
• Manufactured from low extractable borosilicate glass
• Proportioned to provide a head space ratio of 1:1 or greater
• Impeller rod does not extend through top cap which prevents accidentally knocking unit over
• Entire unit may be autoclaved which makes cleaning easy