CR1406: Polystyrene (PS) transparent square 6-deepwell microplates developped specifically for CHO-cells, but can also be used for bacterial and yeast cultures made from pure (no additives used) transparent polystyrene. square wells of 34x34 mm, 80 mm deep, corners slightly round (to prevent foaming) pyramid bottom for easy centrifugation of cells (pellet in centre well) volume per well: 82 ml recommended culture volume per well: 25-35 ml typical shaking conditions: 180 rpm/50 mm, or 225 rpm/25 mm with PS lid, individually wrapped/sealed in polyethylene foil gamma irradiated packed in boxes of 4 single use (non-autoclavable)