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Spinner Flask Flat Bottom


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Flat bottom spinner flasks promote optimal growth of suspension cultures. The complete system includes a flask with two angled sidearms and a PTFE paddle with glass shaft that adjusts through the compression fitting in the cap.

Flat bottom vessel 100mL, 250mL, 500mL and 1L. Heavy wall center port and side arms. FDA approved materials.

Capacity (mL) Center Neck Size Sidearm Size OD x OAH (mm)
100 70 GL-32 70 x 175
250 70 GL-32 85 x 210
500 70 GL-45 110 x 250
1000 100 GL-45 135 x 305
3000 100 GL-45 165 x 355


Spinner flasks are constructed of high quality components with the following specifications:

Vessels: Borosilicate type 1 glass
Shafts: Borosilicate glass 7mm
Magnets: PTFE encapsulated
Paddle: PTFE
Cap: Polypropylene
Compression fitting: Polypropylene
Liner: Silicone
O-ring: Silicone

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