DWK, 356877, Replacement Stainless Steel Shaft Assembly Kit, for 50 mL WHEATON® Celstir® Spinner Flask

Manufactured from borosilicate glass 3.3, The CELSTIR® Spinner Flask features an adjustable paddle blade impeller for better mixing., For suspension cell culture with a magnetic stirrer, Adjustable paddle impeller and sterile design as stirrer shaft does not protrude through cap, 1:1 headspace ratio for ideal gas exchange, Bottom dimple improves circulation and reduces the accumulation of cells in the center of the flask (dimple on 125mL and larger flasks), The entire unit may be autoclaved at 1