Surface Treated Flasks with Vented or Plug-seal Caps

Plasma treated surface allowing cells to attach and multiply
Plug-seal cap can be used in both open (aerated, unscrew ¼ of a turn) and closed ( gas tight, tightened to end position)) positions
Vented cap has 0.22 μm hydrophobic filter to allow gas exchange and reduce contamination risk.
Flask ridges permit stable stacking to save bench top and incubator
Flask walls are uniform thickness and optical clarity
Certified non-pyrogenic and non-toxic
Virgin polystyrene for optical clarity and consistency
Sterilized by gamma radiation for immediate use