PYREX Erlenmeyer Flask, 500 ml

This 1000ml PYREX narrow mouth Erlenmeyer flask with a heavy duty rim is made from low expansion, Type 1, Class A borosilicate glass that can be heated directly in an open flame.

This 250 ml PYREX narrow mouth Erlenmeyer flask with a heavy duty rim is made from low expansion, Type 1, Class A borosilicate glass that can be heated directly in an open flame.

Pyrex brand flasks from Corning can be heated directly in an open flame.

These 500 ml HST Erlenmeyer flasks are made of high-quality borosilicate glass that can be heated directly in an open flame.

These 250 ml glass Erlenmeyer flasks can be heated directly in an open flame. Essential for chemistry labs!

You will always have the right size rubber stopper on hand with this 2 lb package of assorted solid, 1-hole and 2-hole stoppers ranging in size from #00 to #8. You get 60 stoppers total.

This 2000ml PYREX narrow mouth Erlenmeyer flask with a heavy duty rim is made from low expansion, Type 1, Class A borosilicate glass that can be heated directly in an open flame.

These large 1000 ml Home Science Tools Erlenmeyer flasks are made of high-quality borosilicate glass that can be heated directly in an open flame.

This 125 ml PYREX brand narrow mouth Erlenmeyer flask with a heavy duty rim is made from low expansion, Type 1, Class A borosilicate glass that can be heated directly in an open flame.

This 250 ml PYREX low-form Griffin beaker is used in professional labs. It is made from low expansion, Type 1, class A borosilicate glass that can be heated directly in an open flame.