Polycarbonate Erlenmeyer Flasks Eliminate Broken Glass
Unbreakable Nalgene 500mL Polycarbonate Erlenmeyer Flasks are long-lasting and far safer than glass flasks for use in shakers. They're also conveniently autoclavable. Closures do not have liners, so there is less chance of harboring contaminants. Stopper size 7mm. Pkg. of 4.