PYREX Erlenmeyer Flask, 125 ml

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.

This 50 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.

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

A 500 ml PYREX brand narrow mouth Erlenmeyer flask with a heavy-duty rim. This high-quality flask is made from low expansion, Type 1, Class A borosilicate glass & is used in professional laboratories throughout the world!

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

These 100 ml Home Science Tools Erlenmeyer flasks are made of high-quality borosilicate glass that can be heated directly in an open flame.

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 25 ml PYREX brand narrow mouth Erlenmeyer flask meets ASTM E1404 specifications and are made from low expansion, Type 1, Class A borosilicate glass that is capable of withstanding typical laboratory temperature variations.

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.

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