• INDUSTRIAL QUALITY || Narrow neck conical flask made from high quality, heavy duty borosilicate 3.3 glass conforming to USP Type-1 and ASTM E438 Type-1, Class A requirements. Excellent chemical resistance and strength against breakage.
• NARROW NECK || Standard narrow neck ideal for mixing, pouring, and preventing contamination. Mouth has a 44mm inner diameter.
• SUPERIOR DURABILITY || Features uniform wall thickness for ideal heating. It is microwavable and autoclavable, and can withstand high temperatures and thermal shocks. The flask has a reinforced rim to protect against high impacts.
• DUAL GRADUATIONS || Easy-to-read white enamel dual graduated scale for added accuracy when filling or dispensing. Features white enamel markings every 100mL with labeled graduations every 200mL.
• MEETS ASTM E1404 STANDARDS || Conforms with ASTM Specification E1404, Type-1, Class-1 requirements for glass conical flasks.

Narrow neck Erlenmeyer (conical) flask with a 2000mL capacity is made from high quality, heavy duty borosilicate 3.3 glass conforming to USP Type-1 and ASTM E438 Type-1, Class A requirements. Excellent chemical resistance and strength against breakage. Features easy-to-read white enamel dual graduated scale for added accuracy when filling or dispensing, a uniform wall thickness ideal for heating, and a reinforced rim to protect against accidental impacts. Conforms with ASTM Specification E1404, Type-1, Class-1 requirements for glass conical flasks. Size: 6.5" diameter x 11" tall. Mouth has a 44mm inner diameter.