225cm2 polystyrene tissue culture flask with 0 2um vented cap rnase and dnase free sterile 25 cs

CellTreat tissue culture products offer consistent performance at a reasonable price. Flasks are made from crystal clear polystyrene and are tissue culture treated for optimum cell attachment. The vent cap with 0.22um membrane means you can tighten the cap down and still achieve excellent gas transfer. Sterile (gamma irradiated). Maximum volume is 700mL Packed in five resealable bags of five flasks.