Cell Culture Flasks feature large neck with allowance for relaxed pipette access. Wehave both Cell culture treated and Non cell culture treated flask. Cell culture treatment on these flasks offers a better surface for cell attachment and growth. Non-treated flasks are innovated with an angled neck design for better pipet access.Availability of both vent cap and plug seal cap. Made of high transparency polystyrene for precised microscopic viewing. Exclusively leak tested and sterilized flasks by gamma irradiation.