Cell Culture Flask, Non-treated, 250mL

Diamond® SureGro™ Cell Culture Flasks Diamond® SureGro™ cell culture flasks offer large growing surface and volume options for large volume and long-term laboratory cell culture operations. TC treated flasks have negatively charged, hydrophilic surfaces for excellent cell adherence and are available in both vented and plug seal cap styles. Red vented caps include a 0.22μm hydrophobic filter membrane to allow gas exchange while maintaining sterility inside the flask. Red non-vented plug seal caps can be fully closed for a gas and liquid tight seal or opened ¼ turn for open gas exchange. Non-treated flasks suitable for suspension cultures include white vented caps to readily distinguish them from the red capped TC treated options. • TC treated cap styles: Red vented and red plug seal • Non-treated cap style: White vented • Canted necks allow ready access for pipets and scrapers • Packaged in self-standing, re-closable bags • Molded graduations and frosted marking space • Lot number and expiration are printed on each flask • Polystyrene (PS) flask with high density polyethylene (HDPE) caps • Virgin USP Class VI resins • Produced in class 100,000 cleanroom • Irradiation sterilized to SAL 10-6 • RNase and DNase free • Non-pyrogenic