The Eppendorf Fast PCR Tube Strips made of Polyethylene transfer heat faster than the tubes made of traditional plastics. The Fast PCR Tube Strips are particularly suited to scientists using Fast PCR Reagent Kits, scientists trying to speed up protocols or cyclers with high heating and cooling rates.Original Eppendorf PCR Tubes are manufactured to the highest Eppendorf quality standards and are certified PCR clean. The Fast PCR Tube Strips can be purchased standalone, or with flat or domed cap strips.