Wheaton® Celstir® Glass Spinner Flasks with Double Sidearms

The Wheaton Celstir® double sidearm spinner flask features an adjustable paddle blade impeller for better mixing. It provides maximum surface interface between culture and flask atmosphere. Proportioned to provide 1:1 headspace for good gas exchange. The impeller rod does not protrude up through top cap and there is no contamination from the stirring rod. Use the Celstir® for microcarrier and suspension cultures such as insect cells, hybridomas and adapted cell lines. The entire unit may be autoclaved at 121°C for 20 minutes. Made of Wheaton-33® low extractable borosilicate glass that conforms to ASTM Type I, Class A and USP Type I requirements. Graduated.