JET BIOFIL ® Cell and tissue culture flasks are perfect for cell growth and cell yields aim on little and medium input volume Products are modified with vacuum-gas plasma causing the very hydrophobic polystyrene surface to become negatively charged and hydrophilic, allowing cells to attach and for more even and consistent attachment and growth. Features: • Inclined neck • Flask surface is flat and free from striation to maximize usable growth area • 2 different cap styles can be used in both open and closed systems • Upper triangular and wider base shape proviedes stability • Protrudent ridge on the back side of the flask makes tiering up easy and steady • Special area near the neck for easy mark • Sterilized by gamma irradiation • Certified non-pyrogenic