: Great for individual purchases, offering Pyrex 1,000 mL flasks (~$13) and smaller 500 mL options (~$8).

: Provides affordable options for home setups, including 1,000 mL Borosilicate 3.3 Flasks Go to product viewer dialog for this item. starting at roughly $15.

For science enthusiasts, brewers, or students, high-quality borosilicate glass is essential for heat resistance and durability.

: A leading supplier for heavy-duty needs, such as the Pyrex Erlenmeyer Heavy Duty 2,000 mL Flask (~$54).

: A convenient hub for brands like Karter Scientific, offering complete 5-piece Pyrex sets for about $46. 2. Glass Hip Flasks & Barware