• Sterile and packaged individually with 2 polypropylene closures: a standard leakproof closure and a vented closure with a PTFE 0.22 µm membrane for sterile air exchange. Closures are 38 mm for sizes 125-500 ml and 53 mm for 1000 ml.
• Made from clear unbreakable polycarbonate.
• With or without baffles.
• Autoclavable for repeated use of flasks.
• Non pyrogenic.
• DNase and RNase free.
• Fits all standard shaking incubators.
• Ideal for culture work, media preparation and storage.