These baffle flasks are supplied with a blue polypropylene GL45 screw cap fitted with a 0.2µm PTFE gas-permeable membrane that allows gaseous exchange whilst the contents remain sterile.

• Ideal for aerobic microbiology and cell culture
• Flasks complete with blue polypropylene GL45 screwcap with a gas-permeable PTFE membrane that permits gaseous exchange whilst contents remain sterile
• Flasks can be autoclaved with the membrane screwcap fastened
• Manufactured from Pyrex® borosilicate glass for maximum chemical and thermal resistance
• The four equidistant baffles provide consistent agitation when used with compatible orbital shakers
• Suitable for repeated autoclave cycles at 121°C