Comparison : Item # 3841-02, Flask Only, Rotary Evaporator, Freeze Drying, 105mm Height, 75mm OD, 250mL
Item # 3841-04, Flask Only, Rotary Evaporator, Freeze drying, 175mm Height, 75mm OD, 500mL
Item # 3841-06, Flask Only, Rotary Evaporator, Freeze Drying, 200mm Height, 100mm OD, 1000mL
Item # 3841-08, Flask Only, Rotary Evaporator, Freeze Drying, 280mm Height, 120mm OD, 2000mL