Comparison : Item # 331324-0000, 13 Milliliter (mL) Capacity PTFE Centrifuge/Test Tube
Item # 331324-0001, 18 Milliliter (mL) Capacity PTFE Centrifuge/Test Tube
Item # 331324-0002, 45 Milliliter (mL) Capacity PTFE Centrifuge/Test Tube
Item # 331344-0000, 8 Milliliter (mL) Capacity PTFE Centrifuge/Test Tube
Item # 331344-0001, 13 Milliliter (mL) Capacity PTFE Centrifuge/Test Tube