These Polycarbonate Erlenmeyer Flasks are made from completely clear Lexan polycarbonate for unobstructed view of flask contents. The 38-430 polypropylene screw closure has 0.22 µm pore size for sterile air exchange. Flasks can also be used with an appropriately-sized stopper (not included).
Flasks are autoclavable and certified non-pyrogenic and DNase/RNase-free. Gamma irradiated and packaged in individual bags.