PCR tubes as strips with 8 or 12 tubes inclusive caps as strips. Flat caps. Tubes made of natural or white PP. All caps are natural colored. Two types are low profile. Max. centrifugation: 6,000 G Temperature: -80 °C - 121 °C Autoclavable PCR ready, free from: PCR inhibitors Human DNA RNase and DNase Pyrogens Endotoxins Heavy metals (acc. to EC/94/62) CE/IVD marked