Attached flat cap provides a writing surface. Thick upper walls and quick sealing make handling easy for better results. Lower, conical walls are up to 20% thinner than other brands for faster equilibration.

Polypropylene thin wall tubes provide rapid, even heat transfer for reliable amplifications. Manufactured in clean room conditions and certified free of detectable levels of DNase, RNase, DNA, and PCR inhibitors. Tested pyrogen free. Mixed colors include blue, green, red, violet, and yellow.