LID WITH CONDENSATION RINGS, PS, HIGH PROFILE(9 MM), CLEAR, STERILE, SINGLE PACKED Polystyrene Lids Free of detectable DNase, RNase, human DNA Sterile Non-Pyrogenic, non-cytotoxic Offer protection against contamination and evaporation during sample storage and cell cultivation With condensation rings and are therefore recommended for cell culture applications, since they guarantee an optimum oxygen supply to cultivated cells, due to improved gas exchange High lid profile; height: 9 mm