The Wheaton Erlenmeyer Flask is made of Lexan Polycarbonate Resin that has outstanding mechanical, optical, electrical and thermal properties. This resin conforms to flame retardant standards and is scratch resistant. This resin also meets the requirements of United States Pharmacopeia (USP) XXII Class VI. The Flasks are manufactured in a class 10K clean room. The flasks are certified pyrogen-, DNase- and RNase-free and are packaged particulate free and wrapped in an easy tear, sterile bag

Wheaton offers both flat bottom and baffled Erlenmeyer Flasks. Both Erlenmeyer Shake Flasks are supplied standard with a patented vented DuoCapÂ