UltraFlux thin wall tubes feature precision wall and conical bottom uniformity. This provides optimum tube contact with the temperature block for efficient heat transfer and rapid cycling times. Cap resists opening during thermal cycling and incubation. Thin wall 0.2ml capacities Individual dome caps attached 8 tubes per strip Fits popular thermal cyclers Tubes are supplied non-sterile RNase and DNase free Autoclavable 0.2ml capacity Dome caps attached