This complete spinner flask is designed to be reusable. NDS Technologies, Inc. design features baffles on the side of the flask to improve the aeration and agitation of contents in the flask. Larger flasks feature a wide GL 100 or GL 120 center while smaller sizes feature a GL 45 opening. 

Plastic Coating and Amber UV coating are available, contact us for more information.

• Three indents 120º apart provide improved aeration and agitation of the media.
• Bottom indents prohibit cells from pooling under the paddle.
• The paddle is tapered and extends above the surface of the media and also improves the aeration and agitation of the media. 
• Flasks have either a 32mm or 45mm side neck and allow easy access of 25 and 50ml pipets.
• Flasks are made from borosilicate glass and conform to USP Type 1 and ASTM E 438 Type 1 Class A requirements.
• Auto clavable at 121º C for 20 minutes.
• Height: Width ratios allow for greater predictability when scaling up or down our full range of sizes.
• All flasks have white reference graduations.