Thermo Fisher Scientific™ cell culure flasks are ideal for growing and propagating mammalian, insect, or microbial cells. Product types include flat-sided tissue culture flasks in multiple sizes (e.g., T-25, T-75, T-175, and T-225 Flasks) and spinner flasks. Products are typically manufactured from polystyrene or polycarbonate. Cell culture flasks are available with a variety of closures options, including vented and unvented screw caps. Increase aeration for better growth of culture in liquid media with the wide surface area of Thermo Scientific™ Nalgene™ Polycarbonate Fernbach Culture Flasks. Ensure a sterile gas exchange for shaker and suspension cell cultures by using Thermo Scientific ™Nalgene™ Vented HDPE Closures for Sterile Single Use Erlenmeyer Flasks.