Pyrex^® round-bottom heavy wall boiling flask, short neck with joint

Pyrex^® round-bottom heavy wall boiling flask, short neck with joint, capacity 500 mL, joint: ST/NS 24/40

Pyrex^® round-bottom heavy wall boiling flask, short neck with joint, capacity 5,000 mL, joint: ST/NS 45/50

Pyrex^® round-bottom heavy wall boiling flask, short neck with joint, capacity 100 mL, joint: ST/NS 24/40

Pyrex^® round-bottom heavy wall boiling flask, short neck with joint, capacity 50 mL, joint: ST/NS 24/40

Pyrex^® round-bottom heavy wall boiling flask, short neck with joint, capacity 1 L, joint: ST/NS 24/40

Pyrex^® round-bottom heavy wall boiling flask, short neck with joint, capacity 250 mL, joint: ST/NS 24/40