Store › PCR tubes - 0.5mL (Unit size: tubes) Image 1 of 1 PCR tubes - 0.5mL (Unit size: tubes) $0.00 RNase- and DNase-free. They can hold volumes up to 0.5mL and withstand temperatures from -90°C to +120°C. Quantity: Add To Cart Added! RNase- and DNase-free. They can hold volumes up to 0.5mL and withstand temperatures from -90°C to +120°C.