Pyrex^® heavy wall filtering flasks

Pyrex^® heavy wall filtering flasks, capacity 500 mL

Pyrex^® heavy wall filtering flasks, capacity 250 mL

Pyrex^® heavy wall filtering flasks, capacity 4,000 mL

Pyrex^® heavy wall filtering flasks, capacity 2,000 mL

Pyrex^® heavy wall filtering flasks, capacity 1,000 mL